Ercole d'Este

Ercole d'Este may refer to:


 * Ercole I d'Este, Duke of Ferrara and Duke of Modena and Reggio ((r. 1471 – 1505))
 * Ercole II d'Este, Duke of Ferrara and Duke of Modena and Reggio ((r. 1534 – 1559))
 * Ercole III d'Este, Duke of Modena and Duke of Reggio ((r. 1780 – 1796))