Saint-Guilhem-le-Désert Abbey or Gellone Abbey is a Benedictine abbey in Saint-Guilhem-le-Désert, Hérault in France. It was founded in 804 by an Aquitanian aristocrat of the Carolingian era, William of Gellone (c. 742-812), known in Occitan as 'Guilhelm'. It was listed as a historic monument by France in 1840 and as part of the Routes of Santiago de Compostela in France World Heritage Site in 1998.

• http://www.art-roman.net/saintguilhem/saintguilhem.htm

43°44′01″N 3°32′56″E / 43.7336°N 3.5489°E / 43.7336; 3.5489