Family name Noomsaeng (Noomsaeng 
) , around the world, is an extremely rare last name. The cognomen Noomsaeng is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, Noomsaeng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Noomsaeng | Thailand |