Family name เอกวิเชียร (เอกวิเชียร 
, Ekwichian , Aekwichian ) , all around the world, is a very rare cognomen. The cognomen เอกวิเชียร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, เอกวิเชียร is the forename as well as the last name.