Last name จอมยุทธ (จอมยุทธ 
, Jomyoot , Chomyat 
) , in the world, is a very rare surname. The family name จอมยุทธ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, จอมยุทธ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jomyoot, Jomyut, จอมยุทธ | Thailand |
| Chomyat | Thailand, Myanmar |
Chomyut, Chumnanyut, and Jomyuth