| irrbloss | fuego fatuo |
| Irredentism | Irredentismo |
| irrelevant | impertinente |
| irreligiös | irreligioso |
| irreparabel | irreparable |
| irreversibelt fenomen | irreversibilidad del fenómeno |
| irritabel | sensible |
| irritera | provocar |
| irriterad | nervioso |
| irriterande | espantoso |
| Irrlicht | Irrlicht |
| Irtysj | Irtysh |
| Irun | Irún |
| Irvine | Irvine |
| Irvine Welsh | Irvine Welsh |
| Irving | Irving |
| Irving Berlin | Irving Berlin |
| Irving Fisher | Irving Fisher |
| Irving Langmuir | Irving Langmuir |
| Irwin Rose | Irwin Rose |
| Irène Joliot-Curie | Irène Joliot-Curie |
| is | helado |
| Is This It | Is This It |
| IS-IS | IS-IS |
| isa av | deshelar |
| Isaac Albéniz | Isaac Albéniz |
| Isaac Asimov | Isaac Asimov |
| Isaac Barrow | Isaac Barrow |
| Isaac Bashevis Singer | Isaac Bashevis Singer |
| Isaac Hayes | Isaac Hayes |
| Isaac Luria | Isaac Luria |
| Isaac Mendez | Isaac Méndez |
| Isaac Merrit Singer | Isaac Merrit Singer |
| Isaac Newton | Isaac Newton |
| Isaak Babel | Isaak Bábel |
| Isaak Levitan | Isaac Levitán |
| Isabel Allende | Isabel Allende |
| Isabel Perón | María Estela Martínez |
| Isabela | Provincia de Isabela |
| Isabella | Isabel |
| Isabella av Angoulême | Isabel de Angulema |
| Isabella av Aragonien | Isabel de Aragón |
| Isabella av Bayern | Isabel de Baviera-Ingolstadt |
| Isabella av Brasilien | Isabel I de Braganza |
| Isabella av Hainaut | Isabel de Hainaut |
| Isabella av Portugal | Isabel de Avis |
| Isabella I av Kastilien | Isabel I de Castilla |
| Isabella II av Spanien | Isabel II de España |
| Isabella Rossellini | Isabella Rossellini |
| Isabelle Adjani | Isabelle Adjani |
| Isabelle Huppert | Isabelle Huppert |
| Isadora Duncan | Isadora Duncan |
| Isaiah Berlin | Isaiah Berlin |
| Isaias Afewerki | Issaías Afewerki |
| Isak | Isaac |
| Isakskatedralen | Catedral de San Isaac |
| Isambard Kingdom Brunel | Isambard Kingdom Brunel |
| Isan | Tailandia del Nordeste |
| Isao Takahata | Isao Takahata |
| Isaskar | Isacar |
| isberg | iceberg |
| isbjörn | oso polar |
| isbunden | preso entre los hielos |
| iscensätta | actuar |
| Ischia | Isquia |
