Cognomen อภัยนันท์ (Apanun 
, Apudsanan , อภัยนันท์ ) , throughout the world, is an extremely rare family name. The surname อภัยนันท์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, อภัยนันท์ is the forename as well as the last name.