All around the world, Sayen (Sayen 
, Саен 
) is a rare epicene forename. The forename Sayen is characteristic of Chile, where it is a very rare female name, Pakistan, where it is a very rare boy's name, and India, where it is a very rare unisex name. In absolute terms, it most frequently occurs in India, Pakistan, and Indonesia. Likewise, Sayen is the last name as well as the forename.