All over the world, Олен (Olen 
, Олен 
) is quite a rare mostly male, but infrequently female first name. The forename Олен is habitual in Albania, where it is a rare boy's name, the United States, and Tanzania, where it is a rare gender-neutral name. Not in comparison with a country's population, it is the most numerous in the United States, India, and Indonesia. Likewise, Олен is the last name as well as the forename.