Family name Kriengkai (Kriengkai 
) , all around the world, is an extremely rare cognomen. Much more frequently, Kriengkai is the forename as well as the last name.
Sakrpan, Thainirunpraserd, Chaichumporn, Sirisaenglert, Ratchatamukayanant, Pornpipatkul, Sirikrasaephian, Wasiphanphong, Nitiwanich, Tinjiratip, Thumkanma, Lertrungruang, Srivichai, Sornprachum, Masrungsun, Viriyametanont, Wimuktalop, Panuwatwanich, Kaewking, Kaisatra, Sakrapan, Vongkom, Tokongmueng, Taradol, Romsong, Pudpong, Phairam, Buaphoo, Mankaew, Atiwetin, Sriopas, Naowsaran, and Tangwongmongkol