Blanchefleur may refer to:
- Blanchefleur, the female heroine of the medieval tale of Floris and Blanchefleur. A song from the medieval Carmina Burana collection juxtaposes and combines Blanchefleur, here called Blanziflor, with Helena from Greek mythology.
- Blanchefleur, the beloved one of Perceval in Chrétien de Troyes' Perceval, le Conte du Graal. She is Gornemant's niece, and is rescued by the hero while her castle is under siege. In Wolfram von Eschenbach's Parzival, she is called Condwiramurs and becomes the hero's wife, whom she bears two sons, Kardeiz and Lohengrin.
- Blanchefleur, the mother of Tristan in Tristan and Iseult.
