Surname Chaiyarerk (Chaiyarerk 
) , in the world, is a rare cognomen. The last name Chaiyarerk is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Chaiyarerk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaiyarerk | Thailand |
| chaiyarerk homsirikamol researcher |
|