Demetris \d(e)-met-ris, dem(e)-tris\ as a boy's name (also used as girl's name Demetris), is a variant of Demetrius (Greek), and the meaning of Demetris is "follower of Demeter".
The baby name Demetris sounds like Demetrio and Demetri. Other similar baby names are Dimetrius, Demitrius, Demitrios, Demitri, Demetrice and Dametrius.