Surname Kookkai (Kookkai 
) , all around the world, is a very rare last name. The cognomen Kookkai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Kookkai is the forename as well as the last name.
Ka, Nadarin, Saisuwan, Sawitree, Chaisena, Bunraksa, Kanyarat, Kongthon, Jutarat, Kookkaid, Wanpreeya, Suphawita, Blackdevil, Patcharin, Thongchai, Hathaipat, Supitchaya, Kookkook, Kookkik, Kaikook, Little, Ja, Za, Kai, Kha, Noy, Egg, Yot, Kook, Kiki, Poon, Love, Naka, Hana, Wong, Muiprom, Narak, Kukkuk, Jantawatchai, and Charintranont