Gudin is a surname. Notable people with the name include:
Charles-Étienne Gudin de la Sablonnière (1768–1812), French general Eugênio Gudin (1886–1986), Brazilian liberal economist and finance minister Henriette Gudin (1825–1892), French marine painter Maurice Gudin de Vallerin (1897–1981), French equestrian Théodore Gudin (1802–1880), French marine painter and court painter Vasily Gudin (born 1977), Russian curler and curling coach