Family name จรัสพันธุ์ (จรัสพันธุ์ 
, Jaratpan , Charatphan 
) , in the entire world, is a very rare surname. The last name จรัสพันธุ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, จรัสพันธุ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จรัสพันธุ์, Jaratpan | Thailand |
| Charatphan | United States, Thailand |