Cotignola is a comune (municipality) in the Province of Ravenna in the Italian region Emilia-Romagna, located about 50 kilometres southeast of Bologna and about 20 kilometres west of Ravenna. Cotignola was the birthplace of the 15th century condottiero Muzio Attendolo, whose family Sforza) later ruled Milan, Pesaro and other seigniories in Italy. The other condottiero Alberico da Barbiano was born in the frazione of Barbiano.