Back فرانسوا الأول، دوق لورين Arabic فرانسوا الاول ARZ Франц I (Лотарингия) Bulgarian Frañsez Iañ (dug Loren) Breton Francesc I de Lorena Catalan František I. Lotrinský Czech Franz I. (Lothringen) German Φραγκίσκος Α΄ της Λωρραίνης Greek Francisco I de Lorena Spanish François Ier de Lorraine French
| Francis I | |
|---|---|
 | |
| Duke of Lorraine and Bar | |
| Reign | 14 June 1544 – 12 June 1545 |
| Predecessor | Antoine |
| Successor | Charles III |
| Born | 23 August 1517 Nancy |
| Died | 12 June 1545 (aged 27) Remiremont |
| Spouse | |
| Issue | |
| House | Lorraine |
| Father | Antoine, Duke of Lorraine |
| Mother | Renée of Bourbon |
Francis I (French: François Ier de Lorraine) (23 August 1517 – 12 June 1545) was Duke of Lorraine from 1544–1545.