Cognomen សុមិត្រ (សុមិត្រ 
) , in all the world, is an extremely rare family name. The family name សុមិត្រ is characteristic of South-eastern Asia, particularly Cambodia, where it is a very rare surname. More prevalently, សុមិត្រ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| សុមិត្រ | Cambodia |