Cognomen 寒天 (Kanten 
, 寒天 
) , worldwide, is quite a rare last name. The surname 寒天 is habitual in Norway, where it is a rare surname, Netherlands, and Indonesia. Not in comparison with a country's population, it most frequently occurs in Indonesia, Japan, and the United States. More frequently, 寒天 is the forename as well as the last name.