Surname Kaewkaensan (Kaewkaensan 
) , in all the world, is a very rare cognomen. The family name Kaewkaensan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewkaensan | Thailand |
Phunyisa, Podjanawan, and Chonnikarn