Surname ฤทธาพงษ์ฐกิตติ์ (ฤทธาพงษ์ฐกิตติ์ 
) , all over the world, is an extremely rare cognomen. The surname ฤทธาพงษ์ฐกิตติ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฤทธาพงษ์ฐกิตติ์ | Thailand |