Magnin is a surname. Notable people with the surname include:
Albert Magnin (1846–1906), American politician Antoine Magnin (1848–1926), French botanist Charles Magnin (1793–1862), French writer Cyril Magnin (1899–1988), American businessman Edgar Magnin (1890–1984), American Reform rabbi Eduardo Magnin (born 1969), Argentine footballer Gérard Magnin (born 1951), French businessman Isaac Magnin (1842–1907), American carver and gilder; co-founder of I. Magnin, an upscale women's clothing store in San Francisco, California. Ludovic Magnin (born 1979), Swiss footballer Mae Magnin Brussell (1922–1988), American radio personality. Mary Ann Magnin (1850–1943), co-founder of I. Magnin, an upscale women's clothing store in San Francisco, California.
See also I. Magnin, department store in San Francisco, California Joseph Magnin Co., department store in San Francisco, California Musée Magnin, museum in Dijon, France