Cognomen สมพิตร (สมพิตร 
) , worldwide, is an extremely rare family name. The last name สมพิตร is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, สมพิตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมพิตร | Thailand |