v3.26.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2025
shares
Entity Addresses [Line Items]  
Document Type 20-F
Amendment Flag false
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2025
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2025
Document Fiscal Period Focus FY
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-41996
Entity Registrant Name Hafnia Limited
Entity Central Index Key 0001815779
Entity Incorporation, State or Country Code U0
Entity Address, Address Line One 10 Pasir Panjang Road,
Entity Address, Address Line Two #18-01
Entity Address, City or Town Singapore
Entity Address, Country SG
Entity Address, Postal Zip Code 117438
Contact Personnel Email Address ir@hafnia.com
Title of 12(b) Security Ordinary shares
Trading Symbol HAFN
Security Exchange Name NYSE
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Entity Common Stock, Shares Outstanding 497,989,642
Auditor Firm ID 1051
Auditor Name KPMG LLP
Auditor Location Singapore
Business Contact [Member]  
Entity Addresses [Line Items]  
Contact Personnel Name Mikael Øpstun Skov & Petrus Wouter Van Echtelt
Entity Address, Address Line One 10 Pasir Panjang Road
Entity Address, Address Line Two #18-01
Entity Address, City or Town Singapore
Entity Address, Country SG
Entity Address, Postal Zip Code 117438
City Area Code 65
Local Phone Number 6434 3770