Hannes \ha(n)-nes\ as a boy's name is a variant of Hans (Scandinavian, German, Danish, Hebrew) and John (Hebrew), and the meaning of Hannes is "God is gracious".

The baby name Hannes sounds like Hanns, Hanss and Hines. Other similar baby names are Hanniel, Haniel, Dennes, Ennes, Gaines, Gaynes, Hanley, Hanlee, Hanlea, Hanzel, Hansel, Hansen, Hawes, Hayes, Hovannes, Innes, Joannes, Ioannes, Hanno, Giannes, Raines, Raynes, Tannis and Yannis.