In the world, Rendan (仁丹 
, Rendan 
) is a rare unisex first name. The forename Rendan is characteristic of China, where it is a very rare epicene name, Philippines, where it is a very rare predominantly male, but very seldom female name, and India, where it is an extremely rare gender-neutral name. Much less frequently, Rendan is the last name as well as the forename.