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Cover
 12 Months Ended
Dec. 31, 2023
shares
Entity Addresses [Line Items]  
Document Type 20-F/A
Amendment Flag false
Document Registration Statement false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Document Period End Date Dec. 31, 2023
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2023
Current Fiscal Year End Date --12-31
Entity File Number 001-41569
Entity Registrant Name LANVIN GROUP HOLDINGS LIMITED
Entity Central Index Key 0001922097
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 4F, 168 Jiujiang Road
Entity Address, Address Line Two Carlowitz & Co, Huangpu District
Entity Address, City or Town Shanghai
Entity Address, Country CN
Entity Address, Postal Zip Code 200001
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Accelerated Filer
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Entity Common Stock, Shares Outstanding 145,021,452
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Auditor Name Grant Thornton Zhitong Certified Public Accountants LLP
Auditor Location Shanghai, the People’s Republic of China
Auditor Firm ID 1487
Ordinary shares [Member]  
Entity Addresses [Line Items]  
Title of 12(b) Security Ordinary shares, par value $0.000001 per share
Trading Symbol LANV
Security Exchange Name NYSE
Warrants [Member]  
Entity Addresses [Line Items]  
Title of 12(b) Security Warrants, each exercisable for one ordinary share at an exercise price of $11.50 per share
Trading Symbol LANV–WT
Security Exchange Name NYSE
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 4F, 168 Jiujiang Road
Entity Address, Address Line Two Carlowitz & Co, Huangpu District
Entity Address, City or Town Shanghai
Entity Address, Country CN
Entity Address, Postal Zip Code 200001
City Area Code 021
Local Phone Number 6315 3873
Contact Personnel Name Eric Chan
Contact Personnel Email Address ir@lanvin–group.com