Cognomen Thosaeng (Thosaeng 
) , globally, is a very rare family name. The surname Thosaeng is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, Thosaeng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thosaeng | Thailand |
| patiphol thosaeng |
|