Cinnie \ci(n)-nie\ as a girl's name is a variant of Cynthia (Greek), and the meaning of Cinnie is "from Mount Kynthos".
The baby name Cinnie sounds like Sinnie and Cynnie. Other similar baby names are Vinnie, Binnie, Cindie, Connie, Dinnie, Jinnie, Ginnie, Winnie, Minnie and Linnie.