Demetrius \d(e)-met-rius, dem(e)-trius\ as a boy's name is pronounced de-MEE-tree-us. It is of Greek origin, and the meaning of Demetrius is "follower of Demeter". Mythology: Demeter is the Greek goddess of corn and harvest. Her withdrawal for the part of the year that her daughter Persephone must spend with the god of the underworld is the reason for winter. Saint Demetrius (fourth century), together with Saint George, was patron saint of the Crusaders. Composer Dimitri Shostakovich.

Demetrius has 19 variant forms: Dametrius, Demetri, Demetrice, Demetrio, Demetris, Demitri, Demitrios, Demitrius, Dhimitrios, Dimetre, Dimitrios, Dimetrius, Dimitri, Dimitrios, Dimitrious, Dimitry, Dmitri, Dmitrios and Dmitry.