Surname ตุลพันธุ์ (ตุลพันธุ์ 
) , all over the world, is an extremely rare family name. The cognomen ตุลพันธุ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, ตุลพันธุ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตุลพันธุ์ | Thailand |