| I-deas | I-DEAS |
| IA | AI |
| IA-complet | AI-complete |
| Iabloko | Yabloko |
| Iacchos | Iacchus |
| Iacopo Bellini | Jacopo Bellini |
| Iadrine | Yadrin |
| Iago ab Idwal | Iago ap Idwal |
| Iago ap Beli | Iago ap Beli |
| IAI Kfir | IAI Kfir |
| IAI Lavi | IAI Lavi |
| IAI Nesher | IAI Nesher |
| IAI Westwind | IAI Westwind |
| Iaidō | Iaidō |
| Iain Banks | Iain Banks |
| Iaito | Iaitō |
| Iajuddin Ahmed | Iajuddin Ahmed |
| Iakoutsk | Yakutsk |
| Iakov Djougachvili | Yakov Dzhugashvili |
| Iakov Iourovski | Yakov Yurovsky |
| Iakov Sverdlov | Yakov Sverdlov |
| Iakov Zak | Yakov Zak |
| Ialomiţa | Ialomiţa River |
| Ialoutorovsk | Yalutorovsk |
| Ialoveni | Ialoveni |
| Iamalie | Yamalo-Nenets Autonomous Okrug |
| Ian Anderson | Ian Anderson |
| Ian Curtis | Ian Curtis |
| Ian Dury | Ian Dury |
| Ian Fleming | Ian Fleming |
| Ian Gillan | Ian Gillan |
| Ian Haugland | Ian Haugland |
| Ian Hill | Ian Hill |
| Ian Holm | Ian Holm |
| Ian Irvine | Ian Irvine |
| Ian Kershaw | Ian Kershaw |
| Ian Laperrière | Ian Laperriere |
| Ian McDiarmid | Ian McDiarmid |
| Ian McDonald | Ian McDonald |
| Ian McEwan | Ian McEwan |
| Ian McKellen | Ian McKellen |
| Ian Murdock | Ian Murdock |
| Ian Paice | Ian Paice |
| Ian Paisley | Ian Paisley |
| Ian Porterfield | Ian Porterfield |
| Ian Roudzoutak | Yan Rudzutak |
| Ian Rush | Ian Rush |
| Ian Smith | Ian Smith |
| Ian Somerhalder | Ian Somerhalder |
| Ian Standish Monteith Hamilton | Ian Standish Monteith Hamilton |
| Ian Steward | Ian Stewart |
| Ian Stewart | Ian Stewart |
| Ian Stuart | Ian Stuart Donaldson |
| Ian Thorpe | Ian Thorpe |
| Ian Woosnam | Sergio García |
| Iannis Xenakis | Iannis Xenakis |
| Iapyges | Iapyges |
| Iara | Săcuieu |
| Iaransk | Yaransk |
| Iarnród Éireann | Iarnród Éireann |
| Iaropolk Ier | Yaropolk I of Kiev |
| Iaropolk II | Yaropolk II of Kiev |
| Iaroslav II Vladimirski | Yaroslav II of Vladimir |
| Iaroslav III Vladimirski | Yaroslav of Tver |
| Iaroslav le Sage | Yaroslav I the Wise |
| Iaroslavl | Yaroslavl |
| Iasion | Iasion |
| Iaso | Iaso |
| Iassy | Iaşi |
| IAST | International Alphabet of Sanskrit Transliteration |
| Iatrochimie | Iatrochemistry |
| Iatrogénèse | Iatrogenesis |
| IAX | Inter-Asterisk eXchange |
| Iaşi | Iaşi |
| IB | IB |
| Ibadan | Ibadan |
| Ibadisme | Ibadi |
| Ibague | Ibagué |
| Iban Mayo Diez | Iban Mayo |
| Ibanez | Ibanez |
| Ibar | Ibar River |
| Ibaraki | Ibaraki |
| Ibarrangelu | Ibarrangelu |
| IBATIS | IBATIS |
| Ibbenbüren | Ibbenbüren |
| Iberia Líneas Aéreas de España | Iberia Airlines |
| Iberis | Iberis |
| Iberworld | Iberworld |
| ibex | ibex |
| IBF | International Boxing Federation |
| ibis | ibis |
| Ibis blanc | American White Ibis |
| Ibis du Cap | Southern Bald Ibis |
| Ibis nippon | Crested Ibis |
| Ibis rouge | Scarlet Ibis |
| Ibis à face blanche | White-faced Ibis |
| Ibiza | Ibiza |
| Iblis | Iblis |
| IBM PC | IBM Personal Computer |
| IBM POWER | IBM POWER |
| IBM System R | IBM System R |
| IBM Systems Network Architecture | IBM Systems Network Architecture |
| IBM Tivoli Storage Manager | IBM Tivoli Storage Manager |
| Ibn al-Khattab | Ibn Al-Khattab |
| Ibn Al-Qayyim | Ibn Qayyim Al-Jawziyya |
| Ibn Arabî | Ibn Arabi |
| Ibn Battuta Mall | Ibn Battuta Mall |
| Ibn Battûta | Ibn Battuta |
| Ibn Fadlân | Ahmad ibn Fadlan |
| Ibn Hichâm | Ibn Hisham |
| Ibn Jubair | Ibn Jubayr |
| Ibn Khaldoun | Ibn Khaldun |
| Ibn Khallikan | Ibn Khallikan |
| Ibn Nafis | Ibn al-Nafis |
| Ibn Rustah | Ahmad ibn Rustah |
| Ibn Taymiyyah | Ibn Taymiyyah |
| Ibn Tibbon | Ibn Tibbon |
| Ibn Tufayl | Ibn Tufail |
| Ibn Tûmart | Ibn Tumart |
| Ibn Zaydún | Ibn Zaydún |
| Ibn-Al Banna | Ibn al-Banna |
| Ibo | Igbo people |
| Iboga | Iboga |
| Ibogaine | Ibogaine |
| Ibogaïne | Ibogaine |
| Ibolya Csák | Ibolya Csák |
| Ibolya Oláh | Ibolya Oláh |
| IBook | IBook |
| Ibrahim | Ibrahim ibn al-Walid |
| Ibrahim Abboud | Ibrahim Abboud |
| Ibrahim al-Jaafari | Ibrahim al-Jaafari |
| Ibrahim Babangida | Ibrahim Babangida |
| Ibrahim Boubacar Keïta | Ibrahim Boubacar Keïta |
| Ibrahim Ier | Ibrahim I |
| İbrahim Kutluay | İbrahim Kutluay |
| Ibrahim Pacha | Ibrahim Pasha of Egypt |
| Ibrahim Rugova | Ibrahim Rugova |
| Ibrahim Sidibe | Ibrahim Sidibe |
| Ibrahima Sonko | Ibrahima Sonko |
| Ibrahima Sory Camara | Ibrahima Camara |
| Ibrox Stadium | Ibrox Stadium |
| Ibuprofène | Ibuprofen |
| Ibycos | Ibycus |
| Ibère | Iberian |
| Ibères | Iberians |
| Ibérie | Caucasian Iberia |
| Ibérien | Iberian |
| Ibérique | Iberian |
| Ibéris toujours vert | Iberis sempervirens |
| Ica | Ica |
| ICAP | Internet Content Adaptation Protocol |
| Icare | Icarus |
| Icarie | Nikaria |
| Icarios | Icarius |
| ICBJA aikijūjutsu | ICBJA |
| ICC Trophy | ICC World Cup Qualifier |
| Ice de Kootenay | Kootenay Ice |
| Ice MC | Ian Campbell |
| Ice Princess | Ice Princess |
| Ice Storm | The Ice Storm |
| ice-cream soda | soda |
| Ice-T | Ice T |
| iceberg | iceberg |
