Family name Buadat (Buadat 
) , in all the world, is a very rare surname. The last name Buadat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Buadat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buadat | India, Thailand |
Jirawan, Piratthapong, and Nattasin