Worldwide, คูณรัตน์ (คูณรัตน์ 
, Koonrat , Khoonrat ) is a very rare gender-neutral forename. The first name คูณรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare unisex name. Also, คูณรัตน์ is the last name as well as the forename.