Cognomen กิตติบุญ (Kittiboon 
, กิตติบุญ , Kittibun ) , in all the world, is an extremely rare last name. The surname กิตติบุญ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, กิตติบุญ is the forename as well as the last name.