Cognomen Jenpanassak (Jenpanassak 
) , across the world, is an extremely rare family name. The surname Jenpanassak is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jenpanassak | Thailand |
Kittiwat, Panupong, Thippawan, and Chayanggul