Cognomen Savanphet (Savanphet 
) , in the entire world, is a rare surname. The family name Savanphet is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Savanphet | Laos |
Manynout, Sengsouly, and Thongphane