Last name ไพสิฐวีร์ (ไพสิฐวีร์ 
) , in the world, is an extremely rare family name. The last name ไพสิฐวีร์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไพสิฐวีร์ | Thailand |