Oeyen
Oeyen is the family name of the following people:
- Christian Oeyen (* 1934), German old Catholic theologian
- Ernst Freiherr von Oeyen , Freiherr von Oeyen
- Johanna Cornelia von Oeyen (1740–?), Abbess of the Gnadental Monastery in Neuss
- Maria Anna von Oeyen (1737–1813), last abbess in the Cistercian monastery of St. Ludwig, Dalheim
- Theresia Irmgard Sibilla von Oeyen (1696–1779), abbess in the Benedictine monastery for aristocratic women in Neuwerk
