Cognomen Phitchakham (Phitchakham 
) , all around the world, is an extremely rare surname. The family name Phitchakham is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phitchakham | Thailand |
Surachai, Phitchanon, and Phitchayadon