Worldwide, Ketin (Ketin 
) is a rare unisex first name. The first name Ketin is characteristic of Peru, where it is a very rare principally male, but very infrequently female name, Indonesia, where it is a very rare gender-neutral name, and Nigeria, where it is an extremely rare girly name. Measured by absolute frequency, it is the most numerous in Indonesia, India, and Nigeria. Also, Ketin is the last name as well as the forename.