Cognomen Khunaeak (Khunaeak 
) , all around the world, is an extremely rare last name. The family name Khunaeak is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Khunaeak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khunaeak | Thailand |