Monet-Goyon, also known in France as MG, was a French motorcycle brand founded on the 2nd of April 1917 by Joseph Monet and Adrien Goyon. In addition to motorcycles, Monet-Goyon manufactured a series of motorized tricycles, voiturettes and cyclecars for war disabled people in the interwar period. Monet-Goyon ended motorcycle production in 1959.