| Conflict: | Battle of Fort d'Issy |
| Partof: | Paris Commune |
| Date: | 25 April – 9 May 1871 |
| Place: | Fort d'Issy, France |
| Result: | Versaillais victory |
| Combatant1: | French Third Republic (Versaillais) |
| Combatant2: | Paris Commune (Communards) |
| Strength1: | 20,000 |
| Strength2: | 1,000–1,500 |
| Casualties1: | 210–560 dead or wounded |
| Casualties2: | 350 dead |
The Battle of Fort d'Issy took place in April and May 1871 between the Paris Commune and Versaillais government forces at Fort d'Issy, south of Paris, France.