Surname แสงมิตร (Sangmit 
, แสงมิตร , Sangmitr ) , in the world, is a very rare family name. The last name แสงมิตร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, แสงมิตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sangmitr, Sangmit | Thailand, India |
| Saengmit, แสงมิตร | Thailand |