Deni \d(e)-ni\ as a girl's name is a variant of Denise (French), and the meaning of Deni is "follower of Dionysius".

The baby name Deni sounds like Dene, Dani, Dena, Denni and Denia. Other similar baby names are Debi, Demi, Devi, Jeni, Keni and Xeni.