| Isabel-Clara Simó | Isabel-Clara Simó |
| Isabela | Isabela |
| Isabela City | Isabela |
| Isabela Island | Isabela |
| Isabella | Isabelle |
| Isabella Bird | Isabella Bird |
| Isabella Colbran | Isabella Colbran |
| Isabella Jagiełło | Isabelle Jagellon |
| Isabella Maria of Parma | Marie-Isabelle de Bourbon-Parme |
| Isabella Neville | Isabelle Neville |
| Isabella of Antioch | Isabelle de Lusignan |
| Isabella of Bourbon | Isabelle de Bourbon |
| Isabella of Castile | Isabelle I de Castille |
| Isabella of France | Isabelle de France |
| Isabella of Jerusalem | Isabelle de Jérusalem |
| Isabella of Naples | Isabelle de Naples |
| Isabella of Portugal | Isabelle de Portugal |
| Isabella of Valois | Isabelle de France |
| Isabella Rossellini | Isabella Rossellini |
| Isabella Stewart Gardner Museum | Isabella Stewart Gardner Museum |
| Isabelle | Isabelle |
| Isabelle Adjani | Isabelle Adjani |
| Isabelle de Charrière | Isabelle de Charrière |
| Isabelle Delobel | Isabelle Delobel |
| Isabelle Huppert | Isabelle Huppert |
| Isabelle of Hainaut | Isabelle de Hainaut |
| Isabelle theorem prover | Isabelle |
| Isabelline Shrike | Pie-grièche isabelle |
| Isabelline Wheatear | Traquet isabelle |
| Isadora Duncan | Isadora Duncan |
| Isadore Singer | Isadore Singer |
| Isaeus | Isée |
| Isaiah | Isaïe |
| Isaiah Berlin | Isaiah Berlin |
| Isaias Afewerki | Issayas Afeworki |
| ISAM | Organisation séquentielle indexée |
| Isambard Kingdom Brunel | Isambard Kingdom Brunel |
| Isan | Isan |
| Isan language | Isan |
| Isao Takahata | Isao Takahata |
| ISAPI | ISAPI |
| Isar | Isar |
| Isarco River | Isarco |
| Isauria | Isaurie |
| Isaz | ISA |
| Ischaemic heart disease | Ischémie myocardique |
| Ischia | Ischia |
| Ischigualasto | Ischigualasto |
| ISCSI | ISCSI |
| ISDN Digital Subscriber Line | IDSL |
| Ise class battleship | Ise |
| Ise Shrine | Ise-jingû |
| Iselle | Iselle |
| Iseltwald | Iseltwald |
| Isen | Isen |
| Isengard | Isengard |
| Isenthal | Isenthal |
| Isentropic process | Isentropique |
| Iseo | Iseo |
| Iserlohn | Iserlohn |
| Isernia | Isernia |
| Iset | Iset |
| Iset River | Iset |
| Isetnofret | Isis-Néféret |
| Isetta | Isetta |
| Isfahan | Ispahan |
| ISFET | Ion Sensitive Field Effect Transistor |
| Isfjord | Isfjorden |
| Ishak Pasha Palace | Ishak Pasa |
| Ishenbai Kadyrbekov | Ichenbaï Kadyrbekov |
| Ishida Mitsunari | Mitsunari Ishida |
| Ishihara color test | Test d’Ishihara |
| Ishikawa | Ishikawa |
| Ishikawa diagram | Diagramme de causes et effets |
| Ishim | Ichim |
| Ishim River | Ichim |
| Ishirō Honda | Ishirō Honda |
| Ishmael | Ismaël |
| Ishmael ben Elisha | Rabbi Ishmael |
| Ishpuinis of Urartu | Ishpuhini |
| Ishtar | Ishtar |
| Ishvara | Ishvara |
| Ishøj | Ishøj |
| Isidor Gunsberg | Isidor Gunsberg |
| Isidor Isaac Rabi | Isidor Isaac Rabi |
| Isidore | Isidore |
| Isidore Geoffroy Saint-Hilaire | Isidore Geoffroy Saint-Hilaire |
| Isidore Mvouba | Isidore Mvouba |
| Isidore of Alexandria | Isidore |
| Isidore of Charax | Isidore de Charax |
| Isidore of Kiev | Isidore de Kiev |
| Isidore of Miletus | Isidore de Milet |
| Isidore of Seville | Isidore de Séville |
| ISight | ISight |
| Isildur | Isildur |
| Isilkul | Issilkoul |
| Isin | Isin |
| isinglass | ichtyocolle |
