Duchy of Tuscany

Duchy of Tuscany may refer to the following central Italian territories:


 * Tuscia, historical region in Central Italy
 * Duchy of Tuscia (576–797), Lombard duchy
 * March of Tuscany (812–1197), frontier march of the Holy Roman Empire
 * Duchy of Florence (1532–1569)
 * Grand Duchy of Tuscany (1569–1859)