Saint Polyeuctus | |
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| Died | 10 January 259 AD Melitene, Kingdom of Armenia (modern-day Malatya, Turkey) |
| Venerated in | Eastern Orthodox Church, Roman Catholic Church |
| Feast | 9 January (Eastern Orthodox Church) 7 January(Catholic Church) |
| Patronage | Vows and treaty agreements |
Saint Polyeuctus (also Polyeuctes, Polyeuktos, Greek: Πολύευκτος) of Melitene (died 10 January 259) is a Christian saint from the Roman era.