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)
This disambiguation page lists articles about people with the same name.
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