| Duke of Modena | |
|---|---|
.svg) Flag of the Duchy of Modena under the Este family | |
 | |
| Details | |
| Style | Imperial and Royal Highness |
| First monarch | Borso d'Este, Duke of Ferrara |
| Last monarch | Francis V, Duke of Modena |
| Formation | 1452 |
| Abolition | 1859 |
| Pretender(s) | Prince Lorenz of Belgium, Archduke of Austria-Este |
This is a list of rulers of the estates owned by the Este family, which main line of Marquesses (Marchesi d'Este) rose in 1039 with Albert Azzo II, Margrave of Milan. The name "Este" is related to the city where the family came from, Este.