Fonzie \f(o)-nzie, fon-zie\ as a boy's name is a variant of Alfonso (Italian, Spanish), Alphonse (Old German) and Fonso (Latin), and the meaning of Fonzie is "ready for battle".

The baby name Fonzie sounds like Fonsie, Fonzo and Fonz. Other similar baby names are Foncho, Fons, Vinnie, Enzio, Fane, Fenris, Finlee, Fonzell, Foxe, Lonzo, Lonza, Nunzio, Fenix, Ponce and Sanzio.