Last name ทรงจำรัส (ทรงจำรัส, Songchamrat 
, Songjamrat) , throughout the world, is an extremely rare family name. The surname ทรงจำรัส is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Songchamrat | Thailand |