Last name ปัญญศิรนาท (ปัญญศิรนาท 
) , all over the world, is an extremely rare cognomen. The surname ปัญญศิรนาท is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ปัญญศิรนาท | Thailand |