Family name Jittavanich (Jittavanich 
) , worldwide, is an extremely rare last name. The cognomen Jittavanich is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jittavanich | Thailand |
Kottchanun, Kotchanun, and Praphaphon