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Across the world, Keis (Keis , Кейс ) is a rare epicene first name. The first name Keis is habitual in Tanzania, where it is a rare gender-neutral name, and Indonesia, where it is a very rare unisex name. More prevalently, Keis is the last name as well as the forename.
Keis is also a name for the fictitious and mythical characters: .