| Ian Brooker | Murray Ian Hill Brooker |
| Ian Campbell | Ice MC |
| 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 Laperriere | Ian Laperrière |
| 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 Rush | Ian Rush |
| Ian Smith | Ian Smith |
| Ian Somerhalder | Ian Somerhalder |
| Ian Standish Monteith Hamilton | Ian Standish Monteith Hamilton |
| Ian Stewart | Ian Steward |
| Ian Stuart Donaldson | Ian Stuart |
| Ian Thorpe | Ian Thorpe |
| Iannis Xenakis | Iannis Xenakis |
| Iapetus | Japet |
| Iapetus Ocean | Océan Iapetus |
| Iapyges | Iapyges |
| Iarnród Éireann | Iarnród Éireann |
| Iasion | Iasion |
| Iasius | Iaso |
| Iaso | Iaso |
| IATA airline designator | Liste des codes AITA des compagnies aériennes |
| IATA airport code | Code AITA |
| IATA code | Code AITA |
| Iatrochemistry | Iatrochimie |
| Iatrogenesis | Iatrogénèse |
| Iaudio | Cowon |
| Iaşi | Iaşi |
| Iaşi County | Judeţ de Iaşi |
| IB | IB |
| IB Diploma Programme | Baccalauréat international |
| Ibadan | Ibadan |
| Ibadi | Ibadisme |
| Ibagué | Ibague |
| Iban Mayo | Iban Mayo Diez |
| Ibanez | Ibanez |
| Ibar River | Ibar |
| Ibaraki | Ibaraki |
| Ibarrangelu | Ibarrangelu |
| IBATIS | IBATIS |
| Ibbenbüren | Ibbenbüren |
| IBD registry | Rectocolite hémorragique |
| Iberia | Ibérie |
| Iberia Airlines | Iberia Líneas Aéreas de España |
| Iberian | Ibérique |
| Iberian Frog | Grenouille ibérique |
| Iberian Gate and Chapel | Portes Ivères |
| Iberian language | Ibère |
| Iberian Peninsula | péninsule ibérique |
| Iberian Ribbed Newt | Pleurodèle de Waltl |
| Iberians | Ibères |
| Iberis | Iberis |
| Iberis sempervirens | Ibéris toujours vert |
| Iberworld | Iberworld |
| Iberá Wetlands | Esteros del Iberá |
| ibex | ibex |
| Ibi | Ibi |
| Ibicuí River | Rio Ibicuí |
| Ibid | Ibid |
| ibis | ibis |
| Ibiza | Ibiza |
| Ibiza Town | Ibiza |
| Iblis | Iblis |
| IBM | International Business Machines Corporation |
| IBM AIX SMIT | SMIT |
| IBM Deep Blue | Deep Blue |
| IBM General Parallel File System | General Parallel File System |
| IBM Information Management System | IMS |
| IBM Informix | Informix |
| IBM Lotus Notes | Lotus Notes |
| IBM Lotus Sametime | Lotus Sametime |
| IBM Lotus SmartSuite | Lotus SmartSuite |
| IBM Lotus Word Pro | Lotus Word Pro |
| IBM Millipede | Millipede |
| IBM Monochrome Display Adapter | Monochrome Display Adapter |
| IBM Multicolor Graphics Adapter | Multicolor Graphics Array |
| IBM PC compatible | Compatible PC |
| IBM Personal Computer | IBM PC |
| IBM POWER | IBM POWER |
| IBM Rational ClearCase | ClearCase |
| IBM Rational Unified Process | Unified Process |
| IBM Resource Access Control Facility | Resource Access Control Facility |
| IBM Roadrunner | Roadrunner |
| IBM RPG | Générateur automatique de programmes |
| IBM System i | ISeries |
| IBM System R | IBM System R |
| IBM System z | ZSeries |
| IBM Systems Network Architecture | IBM Systems Network Architecture |
| IBM Tivoli | Tivoli |
| IBM Tivoli Framework | Tivoli |
| IBM Tivoli Storage Manager | IBM Tivoli Storage Manager |
| IBM WebSphere | WebSphere |
