Cognomen Phetsirisang (Phetsirisang 
) , all over the world, is a rare last name. The family name Phetsirisang is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phetsirisang | Laos |
Inthasone, and Thonechanh