Denny \d(en)-ny\ as a girl's name (also used as boy's name Denny), is a variant of Denise (French), and the meaning of Denny is "follower of Dionysius".
The baby name Denny sounds like Denay, Danny, Denni, Denna, Dinny, Deney and Donny. Other similar baby names are Benny, Jenny, Genny, Penny and Renny.