Cognomen ត្វាត់ (ត្វាត់ 
) , throughout the world, is an extremely rare last name. The cognomen ត្វាត់ is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Also, ត្វាត់ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ត្វាត់ | Cambodia |