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Gender: M Pronunciation: JOHN-us Origin of Giannis: Modern Greek form of John

Gianni, the Italian form of Johnny, has gotten popular in the US, and there's a good chance Giannis will be next, thanks to rising star basketball player Giannis Antetokounmpo, who is Greek. It makes an original spin on John or Jonas. Other variations are Iannis and Yanis.

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Giannis Antetokounmpo, Greek basketball player

Pop Culture References for the name Giannis