Family name Komtun (Komtun 
) , globally, is a very rare surname. The surname Komtun is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Komtun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Komtun | Thailand, India |
Natthapon, and Chompunuch