All around the world, Sombun (สมบูรณ์ 
, สมบุญ , Sombun 
) is a common unisex first name. The forename Sombun is characteristic of South-eastern Asia, particularly Thailand, where it is quite a common epicene name. Very seldom, Sombun is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สมบูรณ์, สมบุญ | Thailand |
| Sombun | Malaysia, United States, Thailand |
| sombun watthanānukūn (b. 1904) |
|
|
| sombun ratārun (b. 1920) |
|
|
| sombun phong-aksara Thai medical doctor |
|