Demetrius I
Appearance
Demetrius I may refer to:
- Demetrius I Soter (born 185 B.C., reign 161-150 B.C.), ruler of the Hellenistic Seleucid Empire
- Demetrius I of Macedon
- Demetrius I of Bactria
- Demetrius I Starszy
- Patriarch Demetrius I of Constantinople
- Demetrius I Qadi, Patriarch of the Melkite Greek Catholic Church
- Demetrius Zvonimir of Croatia, King of Croatia