The Duke of Lodi is a title associated with the historical region of Lodi in northern Italy. This title was held by various noble families during the Renaissance, particularly by the House of Sforza, who were influential in the politics of the time. The Duke's role often involved governance and military leadership, reflecting the feudal system prevalent in Italy during that era. The title became prominent in the late 15th century, especially under the rule of Francesco Sforza, who established the Duchy of Milan. The Duke of Lodi was significant in regional power dynamics, often engaging in alliances and conflicts with neighboring states, such as Venice and Florence.