Cognomen กิ่งศร (Kingsorn 
, กิ่งศร) , in the world, is an extremely rare surname. The last name กิ่งศร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, กิ่งศร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kingsorn | Thailand |