The Musée de Cluny, officially Musée de Cluny-Musée National du Moyen Âge, is a museum of medieval art in Paris. It is located in the 5th arrondissement of Paris, bordered by square Samuel-Paty to the south, boulevard Saint-Michel to the west, boulevard Saint-Germain to the north, and rue Saint-Jacques to the east.

The 5th arrondissement of Paris is one of the 20 arrondissements of the capital city of France. In spoken French, this arrondissement is referred to as le cinquième.