Cognomen Nikomphak (Nikomphak 
) , in the entire world, is a very rare last name. The cognomen Nikomphak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nikomphak | Thailand |
Arthon, Sawanklao, Phongpan, Phongthep, and Thanchanok