Deneen \d(e)-neen\ as a girl's name is a variant of Dena (Old English), and the meaning of Deneen is "valley".
The baby name Deneen sounds like Dannon, Tonina and Toinon. Other similar baby names are Jeneen, Dene, Denae, Danee, Dareen, Daveen, Denell, Deleena, Deney, Dennet, Denese, Deren, Deven, Doreen, Gineen, Geneene, Janeen, Jeaneen and Jineen.