Cognomen แสงจิตร (Saengchit 
, แสงจิตร , Saarngchit ) , in all the world, is a rare last name. The last name แสงจิตร is habitual in Thailand, where it is a rare surname, and China, where it is an extremely rare surname. Very seldom, แสงจิตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saengchit | China, Thailand |
| Saarngchit, แสงจิตร | Thailand |