Euphrosyne of Opole | |
|---|---|
| Born | between 1228 and 1230 |
| Died | 4 November 1292 Brześć Kujawski |
| Noble family | House of Piast |
| Spouse(s) | Casimir I of Kuyavia Mestwin II, Duke of Pomerania |
| Father | Casimir I of Opole |
| Mother | Viola, Duchess of Opole |
Euphrosyne of Opole (Polish: Eufrozyna opolska) (1228/30 – 4 November 1292) was Polish Duchess and regent.
She was a daughter of duke Casimir I of Opole and his wife Viola, Duchess of Opole, and a member of the House of Piast. She was Duchess of Kuyavia from her first marriage to Casimir I of Kuyavia, and Duchess of Pomerania from her second marriage to Mestwin II, Duke of Pomerania. She acted as regent of the Duchy of Kuyavia during the minority of her son Władysław I the Elbow-high in 1267-1275.