All over the world, สมเพ็ช (สมเพ็ช 
) is a very rare epicene first name. The first name สมเพ็ช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare unisex name. Very seldom, สมเพ็ช is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สมเพ็ช | Thailand |