Last name Buathin (Buathin 
) , all over the world, is a very rare surname. The surname Buathin is habitual in Singapore, where it is quite a rare surname, Norway, where it is a very rare surname, and Thailand. Very seldom, Buathin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buathin | Singapore, Malaysia, Norway, Thailand |