Jolenta (Jolanta) of Poland (also known as Blessed Yolande (Yolanda) of Poland and Blessed Helen of Hungary (or of Poland); Polish: Bł. Jolenta) (1235-1298) was the daughter of Béla IV of Hungary and Maria Laskarina. She was the sister of Saint Margaret of Hungary and Saint Kinga (Cunegunda). One of her father's sisters was the great Franciscan saint, Elizabeth of Hungary.