Cognomen พุทธพงศ์ (พุทธพงศ์ 
, Puttapong 
, Putthapong ) , in all the world, is a rare last name. The family name พุทธพงศ์ is characteristic of Thailand, where it is quite a rare surname, and China, where it is an extremely rare surname. Also, พุทธพงศ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พุทธพงศ์, Phutthaphong, Putthapong | Thailand |
| Puttapong | China, Thailand |
Bhuddhapong, Bhuddhipong, Bhuttapong, Buddhipongse, Budhapon, Phuthrp, Phutthupong, and Puttthapong