Giannes \gi(an)-nes\ as a boy's name is a variant of John (Hebrew), and the meaning of Giannes is "God is gracious".

The baby name Giannes sounds like Giannos and Giannis. Other similar baby names are Gianney, Gaines, Gaynes, Gianny, Gianni, Hannes, Joannes and Ioannes.