Cognomen សុមិត្ត (សុមិត្ត 
) , all over the world, is an extremely rare family name. The surname សុមិត្ត is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Much more prevalently, សុមិត្ត is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| សុមិត្ត | Cambodia |