Demetrius of Sirmium
| Demetrius of Sirmium | |
|---|---|
| Statue depicting Saint Demetrius from early 20th century, before revival of his cult as deacon | |
| Born | 270 Sirmium, Roman Empire | 
| Died | 9 April 304 Sirmium, Roman Empire | 
| Venerated in | |
| Major shrine | Cathedral Basilica of St. Demetrius, Sremska Mitrovica | 
| Feast | 9 April (martyrdom) & 26 October | 
| Attributes | depicted wearing the deacons dalmatic or Roman toga, usually carrying a palm branch or crucifix, sometimes portrayed with scorpion next to him | 
| Patronage | Sremska Mitrovica, Diocese of Syrmia; Crusades; Deacons; Persecuted; Pannonia; University of Zadar; | 
Saint Demetrius of Sirmium (around 270, Sirmium, Roman Empire–9 April 304 Sirmium, Roman Empire) was a Roman deacon and martyr of the early 4th century.
He is often confused with the Greek saint Demetrius of Thessaloniki who lived in the same period.