Across the world, Ereno (Ereno 
) is a rare unisex first name. The forename Ereno is characteristic of Ethiopia, where it is a very rare masculine name, Tanzania, where it is a very rare girly name, and Brazil, where it is a very rare boy's name. In absolute terms, it is commonest in Brazil, Ethiopia, and Philippines. More frequently, Ereno is the last name as well as the forename.