I
- Roger Ibáñez (1931–2005), actor
- Vincent d'Indy (1851–1931), composer
- Eugène Ionesco (1909–1994), Romanian playwright
- Jean Robert Ipousteguy (1920–2006), sculptor, painter
- Joris Ivens (1898–1989), Dutch filmmaker
Read more about this topic: Montparnasse Cemetery