Saint-Symphorien-de-Marmagne (, "St Symphorien of Marmagne") is a commune in the Saône-et-Loire department in the Bourgogne-Franche-Comté region in central-east France.
Saint-Symphorien-de-Marmagne is served by the TER Bourgogne-Franche-Comté Saint-Symphorien-de-Marmagne station on the NeversâÂÂChagny railway.