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In the entire world, Atso (Atso
, Ацо
, อัฐโส
) is a rare unisex forename. The first name Atso is characteristic of Finland, where it is a rare male name, Nigeria, where it is a very rare mostly boy's, but uncommonly female name, and India, where it is a very rare gender-neutral name. Much less frequently, Atso is the last name as well as the forename.