In the Unknown origin, Demian means "Demian \d(e)-mian\ as a boy's name.
The baby name Demian sounds like Damian and Demyan. Other similar baby names are Heman, Yemin, Dacian, Deegan, Daymian, Damyan, Damion, Damien, Damiano, Daman, Dequan, Darian, Derrian, Davian, Desean, Demar, DeJuan, Dean, DeWuan, Deion, Delman, Demas, Denman, Deshan, Devin, Devinn, Devion, Devan, Dorian and Teman."