Around the globe, สมทิตย์ (สมทิตย์ 
) is a very rare mostly masculine, but uncommonly feminine given name. The given name สมทิตย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly masculine, but infrequently feminine name. Much less frequently, สมทิตย์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| สมทิตย์ | Thailand |