Cognomen Chaiyakhan (Chaiyakhan 
, ไชยขันธ์ ) , in the entire world, is a rare surname. The cognomen Chaiyakhan is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Much less frequently, Chaiyakhan is the forename as well as the last name.
Wili, Chatchon, Prapakpong, Tarathep, Thanayut, Tippawan, Naruemon, Nattaraya, Nakharin, Nutthicha, Siriporn, Valaiporn, Somruethai, Benchamat, Paweenwat, Prapaporn, Doungsuree, Thanakorn, Chayawarak, Benchamart, Paweenawat, Walairat, Warichnun, Inthira, Rusamee, Kasem, Linna, Wilai, Somjit, Areeya, Atipat, Piraya, Thanan, Thawan, Onumar, Waewta, Sarunya, Sirinan, Chanwit, Benyapa, Kedkarn, Paphada, Pakpilai, Pawinee, Pimsiri, Pimnara, Pitchsinee, and Benjaminkathlynn