Cognomen วงศ์จำรัส (วงศ์จำรัส, Wongchamrat 
, Wongjamras 
) , in the world, is a very rare family name. The surname วงศ์จำรัส is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wongjamrat, Wongchamrat | Thailand |
| Wongjamras | United States, Thailand |
Vongjumrus, and Wongjumras