Family name Phaengkhamdaeng (Phaengkhamdaeng 
) , in all the world, is a very rare surname. The cognomen Phaengkhamdaeng is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phaengkhamdaeng | Thailand |
Sittisak, and Yutthaphum