Is incest between adults a crime in Thailand?

Legal between adults

Legal between adults

Thailand is one of 53 countries classified “Legal between adults” for incest between adults — 32% of the 164 with data.

Source

Taken from
Wikipedia: Laws regarding incest
Last checked
15 September 2026
How it was classified
Read directly from the source’s own table, without interpretation.

Nearby countries

Cambodia
Legal between adults
Laos
Criminal offense
Vietnam
Criminal offense
Myanmar
Criminal offense
Singapore
Criminal offense
Bangladesh
Criminal offense

Other laws in Thailand

Same-Sex Marriage
Marriage legal
Same-Sex Activity
Legal
Age of Consent
14–15
Sex Work
Decriminalized / unregulated
Pornography
Illegal
Divorce
Legal
Non-Binary Recognition
Not recognized
Same-Sex Adoption
Joint adoption legal
Marriage Age
18+

Every law in Thailand → · Where is incest between adults a crime? →

A visual reference compiled from Wikipedia’s law-by-country articles, not legal advice. Laws change and summaries simplify — check a primary source before relying on anything here.