Gianni \gi(an)-ni\ as a boy's name is a variant of Gian (Italian, Hebrew), Giovanni (Italian, Hebrew) and John (Hebrew), and the meaning of Gianni is "God is gracious".

The baby name Gianni sounds like Gianny and Jianni. Other similar baby names are Giannis, Gianney, Giannino, Yanni, Giannos, Giannes and Lionni.