Denny \d(en)-ny\ as a boy's name (also used as girl's name Denny), is a variant of Denby (Scandinavian) and Dennis (Greek, English), and the meaning of Denny is "the Dane's village; follower of Dionysius".

The baby name Denny sounds like Danny, Denney, Donny and Tenny. Other similar baby names are Benny, Denly, Dennys, Kenny, Lenny and Renny.