Surname Rerm (Rerm 
) , around the world, is an extremely rare family name. The last name Rerm is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Rerm is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rerm | India, Thailand |
Kedsuwan, Chandokmai, and Intharasuwan