Throughout the world, กุลธี (Kunthee 
, กุลธี , Kulthi ) is a very rare dominantly feminine, but seldom masculine first name. The first name กุลธี is characteristic of South Africa, where it is a very rare female name, Thailand, where it is a very rare principally girly, but scarcely boy's name, and India, where it is an extremely rare unisex name. More prevalently, กุลธี is the last name as well as the forename.