Family name จรัสวงษ์ (จรัสวงษ์ 
) , in all the world, is a rare cognomen. The last name จรัสวงษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, จรัสวงษ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จรัสวงษ์ | Thailand |