Around the world, สุทธิดารัตน์ (สุทธิดารัตน์ 
, Sutidarat , Suttidarat ) is a very rare gender-neutral forename. The first name สุทธิดารัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare epicene name. Very seldom, สุทธิดารัตน์ is the last name as well as the forename.