| Io | Io |
| Ioan Gruffudd | Ioan Gruffudd |
| Ioannes Koukouzelis | Jan Kukuzeli |
| Ioannina | Ioánnina |
| Ioannis Kapodistrias | Ioannis Kapodistrias |
| Ioannis Metaxas | Ioannis Metaxas |
| Iocaste | Iokaste |
| Iohannes | Johannes |
| Iolaus | Iolaos |
| Ion Andoni Goikoetxea | Ion Andoni Goikoetxea |
| Ion Antonescu | Ion Antonescu |
| Ion Mihai Pacepa | Ion Mihai Pacepa |
| Iona | Iona |
| Ionaire binding | Jonbindning |
| ionen- | jonisk |
| Ionenmotor | Jonmotor |
| Ionisatiepotentiaal | Jonisationspotential |
| Ionische Eilanden | Joniska öarna |
| Ionische opstand | Joniska upproret |
| Ionische Zee | Joniska havet |
| ioniseren | jonisera |
| Ionië | Jonien |
| Iosif Ivanovici | Ion Ivanovici |
| Iota | Jota |
| Iowa | Iowa |
| Ioánnina | Ioánnina |
| IP | IP |
| IP-adres | IP-adress |
| Ipanema | Ipanema |
| Iphigenia | Ifigenia |
| Iphikles | Iphikles |
| Ipil | Ipil |
| IPOOO | IPOOO |
| Ipsach | Ipsach |
| IPsec | IPSEC |
| Ipswich | Ipswich |
| Ipswich Town FC | Ipswich Town FC |
| IPTV | IPTV |
| Iqaluit | Iqaluit |
| Iquique | Iquique |
| Iquitos | Iquitos |
| Ir | IR |
| IRA | Irländska republikanska armén |
| Ira David Sankey | Ira David Sankey |
| Ira Levin | Ira Levin |
| Iraaks | irakisk |
| Iraaks voetbalelftal | Iraks fotbollslandslag |
| Iraakse dinar | Irakisk dinar |
| Iraans | iransk |
| Iraans voetbalelftal | Irans fotbollslandslag |
| Iraanse Revolutie | Iranska revolutionen |
| Iraanse rial | Iransk rial |
| Iragna | Iragna |
| Irak | Irak |
| Irak-Iranoorlog | Iran-Irak-kriget |
| Iraklion | Heraklion |
| Iraklis Saloniki | Iraklis |
| Irakoorlog | Irakkriget |
| Iran | Iran |
| Iran Air | Iran Air |
| Iran-Contra-affaire | Iran-Contras-affären |
| Irapuato | Irapuato |
| IRAS | IRAS |
| Irazú | Irazú |
| Irbit | Irbit |
| IRC-bot | IRC-bot |
| IrDA | IrDA |
| Irenaeus van Lyon | Irenaeus |
| Irene | Irene |
| Irene Dunne | Irene Dunne |
| Irene van Byzantium | Irene |
| Irene van Lippe-Biesterfeld | Prinsessan Irene av Nederländerna |
| Irenisme | Irenik |
| Irian Jaya | Papua |
| Irian Jaya Barat | Irian Jaya Barat |
| iridium | iridium |
| Irina Sloetskaja | Irina Slutskaja |
| Iris | Iris |
| Iris Murdoch | Iris Murdoch |
| irisatie | regnbågsskimmer |
| Irisdiagnostiek | Irisdiagnostik |
| iriserend | iriserande |
| Irish coffee | Irish coffee |
| Irish Labour Party | Labourpartiet |
| Irissen | Iris |
| Iriver | Iriver |
| IRIX | IRIX |
| Irkoetsk | Irkutsk |
| Irma Grese | Irma Grese |
| Irminsul | Irminsul |
| Irmo | Lórien |
| Irn-Bru | Irn-Bru |
| Irokezen | Irokeser |
| Iron Bridge | Ironbridge |
| Iron Butterfly | Iron Butterfly |
| Iron Maiden | Iron Maiden |
| Iron Man | Iron Man |
| Ironbridge | Ironbridge |
| Ironclad | Slagskepp |
| ironisch | torr |
| ironisch genoeg | ironisk |
| Iroquois | Irokeser |
| Iroquois County | Iroquois County |
| irrationeel | irrationell |
| irrationele wortelvorm | irrationellt tal |
| Irrawaddy | Irrawaddy |
| Irrawaddydolfijn | Irrawadidelfin |
| Irredentisme | Irredentism |
| irrelevant | irrelevant |
| irrelevantie | brist på samband |
