Cognomen Chaiyaphat (ชัยภัทร 
, Chaiyaphat , ชัยภัทร์ ) , all over the world, is a rare last name. The family name Chaiyaphat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much more prevalently, Chaiyaphat is the forename as well as the last name.
Thao, Danothai, Jirawibhas, Theangjit, Nachairit, Nualkhao, Intatecha, Wasoonthara, Wongse-Sanit, Wongtong, Yungthong, Seenamngoen, Attapanan, Chanvilai, Phingkhasan, Wisetphan, Singhasanti, Somboondee, Patarakulpong, Prayongsup, Mongkhonmat, Asavasangrat, Dankhoontod, Phromsiri, Promsiri, Prempree, Bunnag, Promma, Sarawan, Singsiri, Sutkhong, Chomsuk, Phetnil, Rodpang, Lekkham, Yannawa, Chinnawongs, Yooyang, Mookkhan, Muangmai, Sai Ngam, Chailorrat, Chatitsaranuwat, Cherdprum, Buakompor, Khamwang, Khiaochoo, Klongsilpachai, Mahakhet, and Juntaranikool