Cognomen มิตญา (มิตญา 
) , all around the world, is an extremely rare last name. The cognomen มิตญา is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, มิตญา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| มิตญา | Thailand |