Dennys \d(e)-nn-ys\ as a boy's name is a variant of Dennis (Greek, English), and the meaning of Dennys is "follower of Dionysius".

The baby name Dennys sounds like Denys, Dennes and Deonys. Other similar baby names are Denny, Danny, Denby, Dennie, Denney, Denis, Denly, Dennet, Denies, Dennyson, Denzyl, Donny and Tenny.