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