Bayet may refer to:
People Albert Bayet (born 1880), French sociologist Charles Bayet (1849–1918), French historian Hugues Bayet, Belgian politician Jean Bayet (1892–1969), French Latinist Jean-Baptiste Annibal Aubert du Bayet (1759–1797), French general and politician Lucy Bayet, Australian fashion model
Places Bayet, Allier, Auvergne-Rhône-Alpes, France Bayet Peak, Antarctica