| irritated | enojado |
| irritating | fastidioso |
| irritation | irritación |
| Irrlicht Engine | Irrlicht |
| IRS | Delegación de Hacienda |
| Irschenberg | Irschenberg |
| Irtysh | Irtysh |
| Irtysh River | Irtysh |
| Irulan Corrino | Irulan Corrino |
| Irun | Irún |
| Irurtzun | Irurzun |
| Irvine | Irvine |
| Irvine Welsh | Irvine Welsh |
| Irving | Irving |
| Irving Berlin | Irving Berlin |
| Irving Fisher | Irving Fisher |
| Irving Langmuir | Irving Langmuir |
| Irving Stone | Irving Stone |
| Irwin Rose | Irwin Rose |
| Irène Joliot-Curie | Irène Joliot-Curie |
| Irène Némirovsky | Irène Némirovsky |
| is | hay |
| Is it | Partícula interrogativa |
| Is This It | Is This It |
| IS-IS | IS-IS |
| ISA | ISA |
| Isaac | Isaac |
| Isaac Abrabanel | Isaac Abravanel |
| Isaac Albéniz | Isaac Albéniz |
| Isaac Asimov | Isaac Asimov |
| Isaac Babel | Isaak Bábel |
| Isaac Barrow | Isaac Barrow |
| Isaac Bashevis Singer | Isaac Bashevis Singer |
| Isaac Boleslavsky | Isaac Boleslavsky |
| Isaac Hayes | Isaac Hayes |
| Isaac I Komnenos | Isaac I Comneno |
| Isaac II Angelos | Isaac II Ángelo |
| Isaac Israëls | Isaac Israëls |
| Isaac Kleiner | Isaac Kleiner |
| Isaac Komnenos | Isaac Comneno |
| Isaac Komnenos of Cyprus | Isaac Comneno |
| Isaac Levitan | Isaac Levitán |
| Isaac Luria | Isaac Luria |
| Isaac Mendez | Isaac Méndez |
| Isaac Newton | Isaac Newton |
| Isaac of Nineveh | Isaac de Nínive |
| Isaac Singer | Isaac Merrit Singer |
| Isaak Brodsky | Isaak Brodsky |
| Isaba | Isaba |
| Isabeau of Bavaria | Isabel de Baviera-Ingolstadt |
| Isabel | Isabel |
| Isabel Allende | Isabel Allende |
| Isabel Allende Bussi | Isabel Allende Bussi |
| Isabel Martínez de Perón | María Estela Martínez |
| Isabel of Gloucester | Isabel de Gloucester |
| Isabel of Majorca | Isabel de Mallorca |
| Isabel of Portugal | Isabel de Portugal |
| Isabel Province | Isabel |
| Isabel-Clara Simó | Isabel-Clara Simó |
| Isabela | Provincia de Isabela |
| Isabela City | Ciudad de Isabela |
| Isabela Island | Provincia de Isabela |
| Isabella | Isabel |
| Isabella Colbran | Isabel Colbran |
| Isabella II of Spain | Isabel II de España |
| Isabella of Angoulême | Isabel de Angulema |
| Isabella of Aragon | Isabel de Aragón |
| Isabella of Austria | Isabel de Austria |
| Isabella of Castile | Isabel I de Castilla |
| Isabella of Jerusalem | Isabel de Jerusalén |
| Isabella of Mar | Isabella de la Mar |
| Isabella of Naples | Isabel de Nápoles |
| Isabella of Portugal | Isabel de Avis |
| Isabella of Taranto | Isabel de Chiaromonte |
| Isabella Rossellini | Isabella Rossellini |
| Isabella Stewart Gardner Museum | Museo Isabella Stewart Gardner |
| Isabelle | Demostrador de teoremas Isabelle |
| Isabelle Adjani | Isabelle Adjani |
| Isabelle Huppert | Isabelle Huppert |
| Isabelle of Hainaut | Isabel de Hainaut |
| Isabelle theorem prover | Demostrador de teoremas Isabelle |
| Isabelline Gothic | Gótico isabelino |
| Isadora Duncan | Isadora Duncan |
| Isagoras | Iságoras |
| Isaiah | Libro de Isaías |
| Isaiah Berlin | Isaiah Berlin |
| Isaias Afewerki | Issaías Afewerki |
| ISAM | ISAM |
| Isambard Kingdom Brunel | Isambard Kingdom Brunel |
| Isan | Tailandia del Nordeste |
| Isan language | Tailandia del Nordeste |
| Isangel | Isangel |
| Isao Takahata | Isao Takahata |
| Isar | Río Isar |
| Isatis | Isatis |
| Isaz | ISA |
| ISCAE | ISCAE |
| Ischaemic heart disease | Cardiopatía isquemica |
| Ischia | Isquia |
| Ischigualasto | Ischigualasto |
| Ischtar Gate | Puerta de Istar |
| ISCSI | Internet SCSI |
| ISCTE | ISCTE |
| ISDN Digital Subscriber Line | IDSL |
| Ise class battleship | Ise |
| Ise Province | Ise |
| Iseltwald | Iseltwald |
| Isembart | Isembard |
| Isen | Río Isen |
| Isengard | Isengard |
| Isenheim Altarpiece | Retablo de Isemheim |
| Isenthal | Isenthal |
| Isentropic process | Proceso isentrópico |
| Iseo | Tristán e Isolda |
| Iserlohn | Iserlohn |
| Isernia | Provincia de Isernia |
| Isetnofret | Isis-Nefert |
| Isetta | Isetta |
| Iseult | Isolda de Irlanda |
| Isfahan | Isfahán |
| Isfahan Province | Provincia de Isfahán |
| Isfahan rug | Alfombra de Isfahan |
| ISFET | ISFET |
| Ishaqi incident | Masacre de Ishaqi |
| Ishigaq | Ishigaq |
| Ishikari Province | Ishikari |
| Ishikari River | Río Ishikari |
| Ishikari Subprefecture | Subprefectura de Ishikari |
| Ishikawa | Prefectura de Ishikawa |
| Ishikawa diagram | Diagrama de Ishikawa |
| Ishikawa Prefecture | Prefectura de Ishikawa |
| Ishirō Honda | Ishiro Honda |
| Ishmael | Ismael |
| Ishme-Dagan I | Ishme-Dagan |
| Ishtar | Ishtar |
| Ishtar Gate | Puerta de Istar |
| Ishtar Terra | Ishtar Terra |
| Ishuwa | Isuwa |
| Isidor Gunsberg | Isidor Gunsberg |
| Isidor Isaac Rabi | Isidor Isaac Rabi |
| Isidore | Isidoro |
| Isidore Geoffroy Saint-Hilaire | Isidore Geoffroy Saint-Hilaire |
| Isidore of Chios | Isidoro de Chios |
| Isidore of Miletus | Isidoro de Mileto |
| Isidore of Seville | Isidoro de Sevilla |
| Isidore the Laborer | Isidro Labrador |
| Isidro Cardinal Goma y Tomas | Isidro Gomá |
| ISight | ISight |
| Isildur | Isildur |
| ISimangaliso Wetland Park | Parque del Humedal de Santa Lucía |
| Isin | Isín |
| Ising model | Modelo de Ising |
| isinglass | colapez |
| Isis | Isis |
| Isisaurus | Isisaurus |
| Iskar | Iskar |
| İskender kebap | İskender Kebap |
| İskenderun | Alejandreta |
| Iskra | Iskra |
| Isla Aves | Isla de Aves |
| Isla de Alborán | Isla de Alborán |
| Isla de Aves | Isla de Aves |
| Isla de la Juventud | Isla de la Juventud |
| Isla de los Estados | Isla de los Estados |
| Isla Grande de Tierra del Fuego | Tierra del Fuego |
| Isla Margarita | Isla de Margarita |
| Isla Martín García | Isla Martín García |
| Isla Mágica | Isla mágica |
| Isla Perejil | Isla de Perejil |
| Islam | Mahometismo |
| Islam by country | Islam por país |
| Islam in Saudi Arabia | Islam en Arabia Saudita |
| Islam in Switzerland | Islam en Suiza |
| Islamabad | Islamabad |
| Islamic | islámico |
| Islamic architecture | Arquitectura islámica |
| Islamic art | Arte islámico |
| Islamic calendar | Calendario musulmán |
| Islamic calligraphy | Caligrafía árabe |
| Islamic clergy | Ulema |
| Islamic conquest of Persia | Conquista musulmana de Persia |
| Islamic Courts Union | Unión de Cortes Islámicas |
| Islamic Dawa Party | Partido Islámico Dawa |
| Islamic fundamentalism | Fundamentalismo islámico |
| Islamic Golden Age | Edad de Oro del Islam |
| Islamic Jihad | Yihad Islámico |
| Islamic Jihad Movement in Palestine | Yihad Islámico Palestino |
| Islamic mathematics | Matemática en el Islam medieval |
| Islamic mythology | Mitología árabe |
| Islamic republic | República islámica |
| Islamic Republic of Iran | Irán |
| Islamic Republic of Mauritania | Mauritania |
| Islamic Republic of Pakistan | Pakistán |
| Islamic Salvation Front | Frente Islámico de Salvación |
| Islamic terrorism | Islamismo yihadista |
| Islamic view of Aaron | Aarón |
| Islamic view of Abraham | Abraham |
| Islamic view of Adam | Adán |
| Islamic view of Ezra | Libro de Esdras |
| Islamic view of Ishmael | Ismael |
| Islamic view of Lot | Lot |
| Islamic view of Moses | Moisés |
| Islamic view of Noah | Noé |
| Islamic view of Solomon | Salomón |
| Islamic view of Zechariah | Zacarías |
| Islamism | Islamismo |
| Islamist terrorism | Islamismo yihadista |
| Islamite | islamita |
| Islamitic | islámico |
| Islamofascism | Islamofascismo |
| island | isla |
| Island arc | Arco insular |
| island ecosystem | ecosistemas insulares |
| Island Fox | Urocyon littoralis |
| Island Garden City of Samal | Samal |
| Island gigantism | Gigantismo insular |
| Island of California | California |
| Island of Montreal | Isla de Montreal |
| Island of Mozambique | Mozambique |
| Island of Vukovar | Isla de Vukovar |
