Surname Krittachai (Krittachai 
) , throughout the world, is an extremely rare last name. Much more prevalently, Krittachai is the forename as well as the last name.
Chaiput, Bunthoengchit, Matchakijboribal, Thongthai, Taemtopol, Pisitchoatpreeda, Kawrungrueng, Fongtrakool, Jinnakaew, Panjaariya, Panja Ariya, Kulruang, Kaewpetch, Srijugawan, Surasiang, Yookham, Leekeaw, Klubwihok, Lertprakarnchai, and Chaisoonthornyothin