Family name Jomtanawat (Jomtanawat 
) , in all the world, is a very rare cognomen. The cognomen Jomtanawat is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jomtanawat | United States, Thailand |
Orasa, Tanawat, Mahannop, Suthatip, and Korntananpat