Cognomen อภัยพันธ์ (อภัยพันธ์ 
, Apaipan , Aphaengphan ) , in all the world, is a rare family name. The surname อภัยพันธ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, อภัยพันธ์ is the forename as well as the last name.