Across the world, Kolen (Kolen 
, Колен 
) is a rare mostly masculine, but uncommonly female first name. The forename Kolen is habitual in Greece, where it is a rare masculine name, India, where it is a very rare predominantly male, but scarcely feminine name, and Philippines, where it is a very rare unisex name. In absolute terms, it most frequently occurs in India, the United States, and Philippines. More frequently, Kolen is the last name as well as the forename.