Eutychius
Eutychios is the name of:
- Eutychios ( martyr ), Christian martyr
- Eutychios of Constantinople Opel (around 512-582 ), Patriarch of Constantinople Opel
- Eutychius ( Exarch ) ( † after 751 ), Byzantine Exarch of Ravenna
- Eutychios of Alexandria ( 876/877-940 ), Patriarch of Alexandria and historian
- Disambiguation