Family name Khwanrutai (Khwanrutai 
) , around the world, is an extremely rare last name. Predominantly, Khwanrutai is the forename as well as the last name.
Shuwtong, Tabpila, Oramut, Yosbun, Ketsook, Jamsook, Johnson, Charaspet, Chaisalee, Chuaykitti, Wongsabud, Puangsoonthorn, Thongjumnong, and Wattanakul