Family name ทรงจรัสพงศ์ (ทรงจรัสพงศ์ 
) , across the world, is an extremely rare last name. The cognomen ทรงจรัสพงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทรงจรัสพงศ์ | Thailand |