Last name Khwanruethai (Khwanruethai 
) , around the world, is an extremely rare surname. The family name Khwanruethai is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Khwanruethai is the forename as well as the last name.
Lee, Thepkit, Huadchai, Sukphana, Serisrisakun, Chumthim, Kaewnawong, Kongchai, Kongchum, Khongmai, Krongyut, Klangman, Phumsiri, Janyaloet, Thongsan, Kaewmueng, Kusolsatit, Phrawisat, Thanomjai, Wannathip, Sahwangchai, Pongprasit, Taemsaen, Jaicham, Putmuen, Promkul, Sima, Jampa, Nakha, Inrit, Inlee, Aryusuk, Ainrit, Buntip, Philan, Gimrueang, Intaraphakdee, Jorasa, Nokyoo, Hanuch, Oujina, Yodmak, Mutapon, Saechue, Silarak, Sonkoksung, Kobkulwararak, Pavaree, Naksan, and Pattarasoponkitkun