Barbeau Abbey (French: Abbaye de Barbeau or Abbaye Notre-Dame de Barbeau; Latin: Barbelum, Sequanae portus or Sacer portus) is a former Cistercian monastery in Fontaine-le-Port in the Seine-et-Marne department, France. It was located about 10 kilometres north-east of Fontainebleau and 8 kilometres south-east of Melun.