Last name ไพบูลย์ศิริ (ไพบูลย์ศิริ 
, Sapphibunsiri , Paibulsiri ) , all around the world, is a rare family name. The family name ไพบูลย์ศิริ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ไพบูลย์ศิริ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sapphibunsiri, ไพบูลย์ศิริ, Phaibunsiri, Paibulsiri | Thailand |