Surname Butniam (Butniam 
) , in the entire world, is a very rare last name. The last name Butniam is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Butniam | Thailand |
Anavil, Phunsuk, Inthuon, Thawichai, and Natthanicha