Cognomen กนิฏฐะพงษ์รัตน์ (กนิฏฐะพงษ์รัตน์ 
) , across the world, is an extremely rare last name. The cognomen กนิฏฐะพงษ์รัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กนิฏฐะพงษ์รัตน์ | Thailand |