Cognomen มหาพงศ์ไพศาล (มหาพงศ์ไพศาล 
, Mahaphongpaisan , Mahapongpaisan ) , all over the world, is a very rare family name. The cognomen มหาพงศ์ไพศาล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| มหาพงศ์ไพศาล, Mahapongpaisan, Mahapongpaisarn, Mahaphongpaisan | Thailand |
Mahaphongphaisan, Mahaphongphaisarn, Mahapongphaisan, and Mahapongphaisarn