Francesco I d'Este
| Francesco I d'Este | |
|---|---|
| Portrait by Diego Velázquez, 1638 | |
| Duke of Modena and Reggio | |
| Reign | 11 July 1629 – 14 October 1658 | 
| Predecessor | Alfonso III d'Este | 
| Successor | Alfonso IV d'Este | 
| Born | 6 September 1610 Modena | 
| Died | 14 October 1658 (aged 48) Santhià, Vercelli, Savoy | 
| Spouses | |
| Issue | Alfonso, Hereditary Prince of Modena Alfonso IV, Duke of Modena Isabella, Duchess of Parma Eleonora d'Este Maria, Duchess of Parma Rinaldo, Duke of Modena | 
| House | Este | 
| Father | Alfonso III d'Este, Duke of Modena | 
| Mother | Isabella of Savoy | 
| Religion | Roman Catholicism | 
Francesco I d'Este (6 September 1610 – 14 October 1658) was Duke of Modena and Reggio from 1629 until his death. The eldest son of Alfonso III d'Este, he became reigning duke after his father's abdication.