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Across the world, Ryva (Рива , Ryva ) is a rare mostly girly, but infrequently masculine forename. The first name Ryva is characteristic of Russia, where it is a rare dominantly female, but uncommonly boy's name, Kazakhstan, where it is a rare principally girly, but very seldom boy's name, and Ukraine, where it is a rare female name. Much less frequently, Ryva is the last name as well as the forename.
Ryva is also a name for the fictitious and mythical characters: .