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<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 27-08-2026 03:01:52 PM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<schema targetNamespace="http://www.jhinvestments.com/20260806" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:jhvit="http://www.jhinvestments.com/20260806" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:srt-types="http://fasb.org/srt-types/2025" xmlns:deprecated="http://www.xbrl.org/2009/role/deprecated" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:oef="http://xbrl.sec.gov/oef/2025" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:oef-pre="http://xbrl.sec.gov/oef-pre/2025" xmlns:oef-lab="http://xbrl.sec.gov/oef-lab/2025" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:us-roles="http://fasb.org/us-roles/2025" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:oef-def="http://xbrl.sec.gov/oef-def/2025" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:srt="http://fasb.org/srt/2025" xmlns:oef-sr="http://xbrl.sec.gov/oef-sr/2025" xmlns:srt-roles="http://fasb.org/srt-roles/2025" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:stpr="http://xbrl.sec.gov/stpr/2025" elementFormDefault="qualified">
	<import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
	<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
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	<import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd"/>
	<import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>   
	<import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
	<import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
	<import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd"/>
	<import namespace="http://xbrl.sec.gov/oef-sr/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-sr-2025.xsd"/>
	<import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
	<import namespace="http://fasb.org/us-roles/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd"/>
	<import namespace="http://fasb.org/srt-roles/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd"/>
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				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportHoldingsDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportLineGraphDetails"/>
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				<link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#LargestHoldingOnly"/>
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				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#BroadBasedIndexOnly"/>
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					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="FixedIncomeSecuritiesMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="FixedIncomeSecuritiesMember" order="15.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="USGovernmentDebtSecuritiesMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="USGovernmentDebtSecuritiesMember" order="16.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMember" xlink:label="EquityMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="EquityMember" order="17.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanEquitySecuritiesUsSmallCapMember" xlink:label="DefinedBenefitPlanEquitySecuritiesUsSmallCapMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="DefinedBenefitPlanEquitySecuritiesUsSmallCapMember" order="18.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanEquitySecuritiesUsMidCapMember" xlink:label="DefinedBenefitPlanEquitySecuritiesUsMidCapMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="DefinedBenefitPlanEquitySecuritiesUsMidCapMember" order="19.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanEquitySecuritiesUsLargeCapMember" xlink:label="DefinedBenefitPlanEquitySecuritiesUsLargeCapMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="DefinedBenefitPlanEquitySecuritiesUsLargeCapMember" order="20.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly">              
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/MaturityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_MaturityDomain" xlink:label="MaturityDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/IndustrySectorOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/CreditQualityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CreditQualityDomain" xlink:label="CreditQualityDomain"/>
				</link:definitionLink>
				<!--GeographicRegionOnly use only for STPR-->
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/GeographicRegionOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_GeographicRegionDomain" xlink:label="GeographicRegionDomain"/>
				</link:definitionLink>
				<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">               
					<link:loc xlink:type="locator" xlink:href="#jhvit_EmergingMarketEquityMember" xlink:label="EmergingMarketEquityMember"/>
					<link:label xlink:type="resource" xlink:label="label_EmergingMarketEquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Emerging market equity [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmergingMarketEquityMember" xlink:to="label_EmergingMarketEquityMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_ShortTermInvestmentsAndOtherMember" xlink:label="ShortTermInvestmentsAndOtherMember"/>
					<link:label xlink:type="resource" xlink:label="label_ShortTermInvestmentsAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Short term investments and other [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestmentsAndOtherMember" xlink:to="label_ShortTermInvestmentsAndOtherMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_MultiAssetIncomeMember" xlink:label="MultiAssetIncomeMember"/>
					<link:label xlink:type="resource" xlink:label="label_MultiAssetIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Multi asset income [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MultiAssetIncomeMember" xlink:to="label_MultiAssetIncomeMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_SectorEquityMember" xlink:label="SectorEquityMember"/>
					<link:label xlink:type="resource" xlink:label="label_SectorEquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Sector equity [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SectorEquityMember" xlink:to="label_SectorEquityMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_AlternativeAndSpecialtyMember" xlink:label="AlternativeAndSpecialtyMember"/>
					<link:label xlink:type="resource" xlink:label="label_AlternativeAndSpecialtyMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Alternative and specialty [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlternativeAndSpecialtyMember" xlink:to="label_AlternativeAndSpecialtyMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_MultiSectorBondMember" xlink:label="MultiSectorBondMember"/>
					<link:label xlink:type="resource" xlink:label="label_MultiSectorBondMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Multi sector bond [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MultiSectorBondMember" xlink:to="label_MultiSectorBondMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_HighYieldBondMember" xlink:label="HighYieldBondMember"/>
					<link:label xlink:type="resource" xlink:label="label_HighYieldBondMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">High yield bond [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HighYieldBondMember" xlink:to="label_HighYieldBondMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_BankLoanMember" xlink:label="BankLoanMember"/>
					<link:label xlink:type="resource" xlink:label="label_BankLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bank loan [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BankLoanMember" xlink:to="label_BankLoanMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_ShortTermBondMember" xlink:label="ShortTermBondMember"/>
					<link:label xlink:type="resource" xlink:label="label_ShortTermBondMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Short term bond [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermBondMember" xlink:to="label_ShortTermBondMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_EmergingMarketDebtMember" xlink:label="EmergingMarketDebtMember"/>
					<link:label xlink:type="resource" xlink:label="label_EmergingMarketDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Emerging market debt [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmergingMarketDebtMember" xlink:to="label_EmergingMarketDebtMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_IntermediateBondMember" xlink:label="IntermediateBondMember"/>
					<link:label xlink:type="resource" xlink:label="label_IntermediateBondMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Intermediate bond [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntermediateBondMember" xlink:to="label_IntermediateBondMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_InternationalEquityMember" xlink:label="InternationalEquityMember"/>
					<link:label xlink:type="resource" xlink:label="label_InternationalEquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">International equity [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InternationalEquityMember" xlink:to="label_InternationalEquityMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_LargeBlendMember" xlink:label="LargeBlendMember"/>
					<link:label xlink:type="resource" xlink:label="label_LargeBlendMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Large blend [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LargeBlendMember" xlink:to="label_LargeBlendMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_AffiliatedInvestmentCompaniesMember" xlink:label="AffiliatedInvestmentCompaniesMember"/>
					<link:label xlink:type="resource" xlink:label="label_AffiliatedInvestmentCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Affiliated investment companies [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AffiliatedInvestmentCompaniesMember" xlink:to="label_AffiliatedInvestmentCompaniesMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022588Member" xlink:label="C000022588Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022588Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022588 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022588Member" xlink:to="label_C000022588Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000022588Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Series NAV</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022588Member" xlink:to="label_C000022588Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022590Member" xlink:label="C000022590Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022590Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022590 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022590Member" xlink:to="label_C000022590Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000022590Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Series II</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022590Member" xlink:to="label_C000022590Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022589Member" xlink:label="C000022589Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022589Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022589 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022589Member" xlink:to="label_C000022589Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000022589Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Series I</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022589Member" xlink:to="label_C000022589Member_2"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="FixedIncomeSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_FixedIncomeSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fixed Income Securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FixedIncomeSecuritiesMember" xlink:to="label_FixedIncomeSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="USGovernmentDebtSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_USGovernmentDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">US Government Debt Securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentDebtSecuritiesMember" xlink:to="label_USGovernmentDebtSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMember" xlink:label="EquityMember"/>
					<link:label xlink:type="resource" xlink:label="label_EquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Equity [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityMember" xlink:to="label_EquityMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanEquitySecuritiesUsSmallCapMember" xlink:label="DefinedBenefitPlanEquitySecuritiesUsSmallCapMember"/>
					<link:label xlink:type="resource" xlink:label="label_DefinedBenefitPlanEquitySecuritiesUsSmallCapMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Benefit Plan, Equity Securities, US, Small Cap [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DefinedBenefitPlanEquitySecuritiesUsSmallCapMember" xlink:to="label_DefinedBenefitPlanEquitySecuritiesUsSmallCapMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanEquitySecuritiesUsMidCapMember" xlink:label="DefinedBenefitPlanEquitySecuritiesUsMidCapMember"/>
					<link:label xlink:type="resource" xlink:label="label_DefinedBenefitPlanEquitySecuritiesUsMidCapMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Benefit Plan, Equity Securities, US, Mid Cap [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DefinedBenefitPlanEquitySecuritiesUsMidCapMember" xlink:to="label_DefinedBenefitPlanEquitySecuritiesUsMidCapMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanEquitySecuritiesUsLargeCapMember" xlink:label="DefinedBenefitPlanEquitySecuritiesUsLargeCapMember"/>
					<link:label xlink:type="resource" xlink:label="label_DefinedBenefitPlanEquitySecuritiesUsLargeCapMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Defined Benefit Plan, Equity Securities, US, Large Cap [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DefinedBenefitPlanEquitySecuritiesUsLargeCapMember" xlink:to="label_DefinedBenefitPlanEquitySecuritiesUsLargeCapMember"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022594Member" xlink:label="C000022594Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022594Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022594 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022594Member" xlink:to="label_C000022594Member"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022595Member" xlink:label="C000022595Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022595Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022595 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022595Member" xlink:to="label_C000022595Member"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022593Member" xlink:label="C000022593Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022593Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022593 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022593Member" xlink:to="label_C000022593Member"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022598Member" xlink:label="C000022598Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022598Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022598 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022598Member" xlink:to="label_C000022598Member"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022600Member" xlink:label="C000022600Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022600Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022600 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022600Member" xlink:to="label_C000022600Member"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022599Member" xlink:label="C000022599Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022599Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022599 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022599Member" xlink:to="label_C000022599Member"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022604Member" xlink:label="C000022604Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022604Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022604 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022604Member" xlink:to="label_C000022604Member"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022605Member" xlink:label="C000022605Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022605Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022605 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022605Member" xlink:to="label_C000022605Member"/>
					<link:loc xlink:type="locator" xlink:href="#jhvit_C000022603Member" xlink:label="C000022603Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000022603Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000022603 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000022603Member" xlink:to="label_C000022603Member"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeAxis" xlink:label="InvestmentTypeAxis"/>
					<link:label xlink:type="resource" xlink:label="label_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Investment Type [Axis]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentTypeAxis" xlink:to="label_InvestmentTypeAxis" priority="1"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNet" xlink:label="AssetsNet"/>
					<link:label xlink:type="resource" xlink:label="label_AssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Assets</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsNet" xlink:to="label_AssetsNet" priority="1"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentCompanyPortfolioTurnover" xlink:label="InvestmentCompanyPortfolioTurnover"/>
					<link:label xlink:type="resource" xlink:label="label_InvestmentCompanyPortfolioTurnover" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Investment Company Portfolio Turnover</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentCompanyPortfolioTurnover" xlink:to="label_InvestmentCompanyPortfolioTurnover" priority="1"/>                
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_NoTradingSymbolFlag" xlink:label="dei_NoTradingSymbolFlag"/>
					<link:label xlink:type="resource" xlink:label="label_NoTradingSymbolFlag" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">No Trading Symbol Flag</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_NoTradingSymbolFlag" xlink:to="label_NoTradingSymbolFlag" priority="1"/>		
				</link:labelLink>
			</link:linkbase>
		</appinfo>
	</annotation>   
	<element name="EmergingMarketEquityMember" id="jhvit_EmergingMarketEquityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="ShortTermInvestmentsAndOtherMember" id="jhvit_ShortTermInvestmentsAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="MultiAssetIncomeMember" id="jhvit_MultiAssetIncomeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="SectorEquityMember" id="jhvit_SectorEquityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="AlternativeAndSpecialtyMember" id="jhvit_AlternativeAndSpecialtyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="MultiSectorBondMember" id="jhvit_MultiSectorBondMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="HighYieldBondMember" id="jhvit_HighYieldBondMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="BankLoanMember" id="jhvit_BankLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="ShortTermBondMember" id="jhvit_ShortTermBondMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="EmergingMarketDebtMember" id="jhvit_EmergingMarketDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="IntermediateBondMember" id="jhvit_IntermediateBondMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="InternationalEquityMember" id="jhvit_InternationalEquityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="LargeBlendMember" id="jhvit_LargeBlendMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="AffiliatedInvestmentCompaniesMember" id="jhvit_AffiliatedInvestmentCompaniesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022588Member" id="jhvit_C000022588Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022590Member" id="jhvit_C000022590Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022589Member" id="jhvit_C000022589Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022594Member" id="jhvit_C000022594Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022595Member" id="jhvit_C000022595Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022593Member" id="jhvit_C000022593Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022598Member" id="jhvit_C000022598Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022600Member" id="jhvit_C000022600Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022599Member" id="jhvit_C000022599Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022604Member" id="jhvit_C000022604Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022605Member" id="jhvit_C000022605Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000022603Member" id="jhvit_C000022603Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
</schema>
