Current Version
| Region | Tonga |
| Issue | Same-sex marriage |
| Status | Banned |
| Start Date | 1998 |
| End Date | (none) |
| Description | Since homosexual activity is illegal in Tonga, same-sex marriage is not legal. |
| Sources | http://legislation.to/Tonga/DATA/PRIN/1988-018/CriminalOffencesAct.pdf |