Cognomen Phanibut (Phanibut 
) , worldwide, is a rare family name. The surname Phanibut is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Phanibut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phanibut | Thailand |
Singha, Malinee, Khankaeo, Suphaporn, Chommanat, Chattharisa, and Tassanaporn