Surname สมอรุณ (สมอรุณ 
) , around the globe, is an extremely rare last name. The surname สมอรุณ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, สมอรุณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมอรุณ | Thailand |