Family name Krittathat (Krittathat 
) , worldwide, is an extremely rare surname. The family name Krittathat is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Krittathat is the forename as well as the last name.
Daha, Mekumpornpong, Sukkaew, Bunklom, Kaeofung, Vasupen, Siritabtim, Pramthai, Kaewpanya, Phramthai, Ronghanam, Tongtawee, Tubtimsai, and Thongtawee