Surname ตุลายศ (ตุลายศ 
) , all around the world, is a very rare last name. The surname ตุลายศ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ตุลายศ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตุลายศ | Thailand |