Surname Phinphak (Phinphak 
, พินภาค ) , in the entire world, is a very rare cognomen. The cognomen Phinphak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Phinphak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พินภาค, Phinphak | Thailand |