Family name Chaykhampheng (Chaykhampheng 
) , around the globe, is a rare cognomen. The surname Chaykhampheng is characteristic of South-eastern Asia, particularly Laos, where it is quite a common surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chaykhampheng | Laos, Thailand |
Perapat, and Soulignong