Demitrios \d(e)-mit-rios, dem(i)-trios\ as a boy's name is a variant of Demetrius (Greek), and the meaning of Demitrios is "follower of Demeter".
The baby name Demitrios sounds like Dmitrios, Dimitrios and Demitrius. Other similar baby names are Dimitrious, Dhimitrios, Demitri, Demetris and Demetrio.