Surname Kiatichai (Kiatichai 
) , globally, is an extremely rare last name. The surname Kiatichai is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, Kiatichai is the forename as well as the last name.
Kida, Sawaengchokchai, Wisitsayaworakul, Pathomwathanakun, Boonrutaikul, Daenthaisong, Deetongon, Chawaritchuwong, Voraruth, Prukpaiboon, Sinjaroen, Mittrakul, Laorvarakul, Otrakul, Inkaew, Vaisin, Lowjakchai, Muen Ya, Isarasenarak, and Treerattanapitak