<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e0990-0e02-71d5-b5d6-35c408f76e05,g:d33d9d95-bcb1-4856-9ff0-59dea42f0088-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://sanuwave.com/role/Cover" xlink:type="simple" xlink:href="snwv-20260512.xsd#Cover"/>
  <link:presentationLink xlink:role="http://sanuwave.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e0990-0e02-7a5b-af2d-ca0bee9a015e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_DocumentType_019e0990-0e02-7a5b-af2d-ca0bee9a015e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e0990-0e02-70c5-93f6-36f2434d8e35" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_DocumentPeriodEndDate_019e0990-0e02-70c5-93f6-36f2434d8e35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e0990-0e02-7697-a6d7-3fef242fd202" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityRegistrantName_019e0990-0e02-7697-a6d7-3fef242fd202" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e0990-0e02-752f-9c50-a790f8eeaea8" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e0990-0e02-752f-9c50-a790f8eeaea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e0990-0e02-7335-a631-137b713c4744" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityFileNumber_019e0990-0e02-7335-a631-137b713c4744" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e0990-0e02-730e-b29f-063b3a52f28f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e0990-0e02-730e-b29f-063b3a52f28f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019e0990-0e02-7873-95f7-0b470ace6f1e" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityAddressAddressLine1_019e0990-0e02-7873-95f7-0b470ace6f1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019e0990-0e02-73cb-bb16-2950d9444ff4" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityAddressCityOrTown_019e0990-0e02-73cb-bb16-2950d9444ff4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019e0990-0e02-7712-b828-94dd33cf4f8d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityAddressStateOrProvince_019e0990-0e02-7712-b828-94dd33cf4f8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019e0990-0e02-78ab-a7ac-38e4dae3d7ec" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityAddressPostalZipCode_019e0990-0e02-78ab-a7ac-38e4dae3d7ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019e0990-0e02-7f2d-b01d-dc14c003c41f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_CityAreaCode_019e0990-0e02-7f2d-b01d-dc14c003c41f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019e0990-0e02-799b-a3e0-547218ca8cef" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_LocalPhoneNumber_019e0990-0e02-799b-a3e0-547218ca8cef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e0990-0e02-7a13-a9e1-aaa79d501a88" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_WrittenCommunications_019e0990-0e02-7a13-a9e1-aaa79d501a88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e0990-0e02-7762-bf61-fefcd8e645c4" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_SolicitingMaterial_019e0990-0e02-7762-bf61-fefcd8e645c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e0990-0e02-7378-b2a5-7d4cced49af6" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_PreCommencementTenderOffer_019e0990-0e02-7378-b2a5-7d4cced49af6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e0990-0e02-7372-b110-851b7b9eefa1" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e0990-0e02-7372-b110-851b7b9eefa1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e0990-0e02-74f4-9c7d-526ce0d9137f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e0990-0e02-74f4-9c7d-526ce0d9137f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e0990-0e02-744b-a4d2-2233e0adbd93" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_AmendmentFlag_019e0990-0e02-744b-a4d2-2233e0adbd93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e0990-0e02-79af-85e3-8f1c0d13abc4" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e0990-0e02-7c3f-bd6b-2c60718e49f6" xlink:to="loc_dei_EntityCentralIndexKey_019e0990-0e02-79af-85e3-8f1c0d13abc4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
