Last name อดุลยรัตน์ (อดุลยรัตน์ 
, Adulyarat , Adunyarat ) , in all the world, is a rare cognomen. The cognomen อดุลยรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, อดุลยรัตน์ is the forename as well as the last name.