Last name ไตรวรรณ (Triwan 
, ไตรวรรณ ) , in the entire world, is a rare family name. The last name ไตรวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Indonesia, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Also, ไตรวรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Triwan | Indonesia, India, Malaysia, Thailand, United States |
| ไตรวรรณ | Thailand |