Family name Phasomsri (Phasomsri 
) , all over the world, is an extremely rare last name. The last name Phasomsri is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phasomsri | Thailand |
Anuchit, Jhakphet, and Watcharaken