Euphemia of Kuyavia

Euphemia of Kuyavia (c. 1265–1308) was a Piast princess, daughter of Casimir I of Kuyavia and sister of Władysław I the Elbow-high, later king of Poland. She married Yuri I of Galicia-Volhynia and became his queen consort.

Her four children included Andrew and Lev II, who both ruled Galicia-Volhynia and died in 1323, and daughters Maria and Anastasia. Euphemia died on 18 March 1308, a month before her husband.