Family name Kietisak (Kietisak 
) , worldwide, is an extremely rare surname. Much more frequently, Kietisak is the forename as well as the last name.
Posai, Ouirungroj, Chuawong, Komindr, Promlue, Wuttiungsawotai, Sribuarin, Panyawai, Pimputlert, Leelapoompongchai, Chanaburanasak, Phanladech, and Ruengnetr