In the world, วิยารัตน์ (วิยารัตน์ 
) is a very rare dominantly feminine, but infrequently male forename. The first name วิยารัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare predominantly feminine, but very seldom boy's name. Very seldom, วิยารัตน์ is the last name as well as the forename.