| invocation | conjuration |
| Invocation à | Invocation to |
| Invocations | List of Naruto summons |
| involontaire | unconscious |
| involontairement | unintentionally |
| invoquer | implore |
| invraisemblable | farfetched |
| invraisemblance | improbability |
| invulnérabilité | invulnerability |
| invulnérable | invulnerable |
| Invulnérable à | Invulnerable to |
| invétéré | deep-seated |
| Inwil | Inwil |
| Inzago | Inzago |
| Inzigkofen | Inzigkofen |
| Inès Armand | Inessa Armand |
| Inès Castro | Inês de Castro |
| Inès de La Fressange | Inès de la Fressange |
| Inès Gache-Sarraute | History of corsets |
| inébranlable | determined |
| inécoutable | unlistenable |
| inécrasable | uncrushable |
| Inédie | Inedia |
| inédit | unpublished |
| inéducable | ineducable |
| inégal | rough |
| inégalité | inequality |
| Inégalité arithmético-géométrique | Inequality of arithmetic and geometric means |
| Inégalité de Chernoff | Chernoff bounds |
| Inégalité de Minkowski | Minkowski inequality |
| inégalité triangulaire | triangle inequality |
| inégalité écologique | ecological inequality |
| Inégalités de revenu | Economic inequality |
| Inégalités de revenu dans le monde | Economic inequality |
| inégalé | unequaled |
| inéligible | ineligible |
| inéluctable | ineluctable |
| inéluctablement | inevitably |
| inélégance | clumsiness |
| inélégant | inelegant |
| inépuisable | bottomless |
| inévitabilité | inevitability |
| inévitable | inevitable |
| inévitablement | inevitably |
| Inđija | Inđija |
| Io | Io |
| IO-APIC | Advanced Programmable Interrupt Controller |
| Ioan Gruffudd | Ioan Gruffudd |
| Ioan Ier Despot-Voda | Ioan Iacob Heraclid |
| Ioan II Voda | Ioan Vodă cel Cumplit |
| Ioan Sabău | Ioan Sabău |
| Ioannina | Ioannina |
| Ioannis Alevras | Ioannis Alevras |
| Ioannis Altamouras | Ioannis Altamouras |
