Constantine Dukas
Konstantin Dukas (Greek Κωνσταντίνος Δούκας ) is the name of the following people:
- Konstantin Dukas (usurper) († 913), Byzantine general, counter-emperor
- Constantine X. (1006-1067), Byzantine emperor
- Konstantin Dukas Porphyrogennetos (~ 1074-1095 / 1097), Byzantine co-emperor
- Konstantin Angelos Dukas (Sebastokrator) , Byzantine Sebastokrator
- Konstantin Komnenos Dukas († after 1242), despot in Epirus
- Constantine Dukas (Thessaly) , Byzantine Sebastocrator, ruler of Thessaly
- Konstantin Dukas (Moldova) , Prince of Moldova
