Family name Phanthamit (Phanthamit 
) , around the globe, is a very rare surname. The family name Phanthamit is habitual in Thailand, where it is a very rare surname, and Canada, where it is an extremely rare surname. Also, Phanthamit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phanthamit | United States, Canada, Thailand |