Bucy may refer to:
People John Bucy III, American businessman and politician. Michel Bucy (1484–1511), archbishop of Bourges and illegitimate son of Louis XII. Paul Bucy (1904–1992), American neurosurgeon. Richard S. Bucy (1935–2019), American mathematician and engineer known for the Kalman filter.
Places Bucy-le-Long, France Bucy-le-Roi, France Bucy-lès-Cerny, France Bucy-lès-Pierrepont, France Bucy-Saint-Liphard, France