Cognomen Prasomsingh (Prasomsingh 
) , in the world, is a very rare last name. The last name Prasomsingh is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prasomsingh | Thailand |
Areeya, Tanawat, Pakavadee, Pratummas, and Pratompong