Cognomen Noosaeng (Noosaeng 
) , around the world, is a very rare surname. The surname Noosaeng is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Noosaeng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Noosaeng | Thailand, United States |