Worldwide, Ojen (Ojen 
) is quite a rare gender-neutral first name. The given name Ojen is habitual in Nigeria, where it is a rare epicene name, Tanzania, where it is a very rare male name, and Indonesia, where it is a very rare gender-neutral name. Measured by absolute frequency, it is the most numerous in Nigeria, India, and Indonesia. Likewise, Ojen is the last name as well as the forename.