Cognomen กฤตยพงษ์ (กฤตยพงษ์ 
) , throughout the world, is a very rare family name. The family name กฤตยพงษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, กฤตยพงษ์ is the forename as well as the last name.