Throughout the world, Onas (Onas 
) is a rare principally boy's, but scarcely feminine given name. The forename Onas is habitual in the Democratic Republic of the Congo, where it is a rare masculine name, Nigeria, where it is a very rare epicene name, and Indonesia, where it is a very rare masculine name. Not in comparison with a country's population, it is commonest in the Democratic Republic of the Congo, Nigeria, and China. Also, Onas is the last name as well as the forename.