Surname Chaiyaphruk (Chaiyaphruk 
) , all over the world, is a rare cognomen. The cognomen Chaiyaphruk is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Chaiyaphruk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaiyaphruk | Thailand |