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

The baby name Dennie sounds like Dannie and Donnie. Other similar baby names are Bennie, Denlie, Kennie, Lennie and Rennie.