| Ischigualasto-bassin | Talampaya nationalpark |
| ISCO | ISCO |
| Isefjord | Isefjorden |
| Iseltwald | Iseltwald |
| Isengard | Isengård |
| Iseo | Iseo |
| Iserlohn | Iserlohn |
| Isernia | Isernia |
| Isetta | BMW Isetta |
| Isfahan | Isfahan |
| Ishikawa | Ishikawa prefektur |
| Ishme-Dagan van Isin | Ishme-Dagan I |
| Ishtar | Istar |
| Ishtar-poort | Istarporten |
| Isidor Isaac Rabi | Isidor Isaac Rabi |
| Isidorus van Sevilla | Isidor av Sevilla |
| Isildur | Isildur |
| IsiNdebele | Ndebele |
| Isis | Isis |
| Isjenbaj Kadirbekov | Isjenbaj Kadyrbekov |
| Isjtar | Istar |
| Iskar | Iskăr |
| Iskenderun | İskenderun |
| Iskra | Iskra |
| Isla de Lobos | Isla de Lobos |
| Isla Fisher | Isla Fisher |
| Isla Margarita | Margarita |
| Isla Wolf | Vargen |
| islam | islam |
| Islam Karimov | Islam Karimov |
| Islamabad | Islamabad |
| islamitisch | islamisk |
| Islamitisch bankieren | Islamiskt bankväsen |
| Islamitische architectuur | Islamisk arkitektur |
| Islamitische Daawa Partij | Islamiska Dawapartiet |
| Islamitische kalender | Muslimska kalendern |
| Islamitische kunst | Islamisk konst |
| Islamofascisme | Islamofascism |
| Island | Island |
| Island Garden City of Samal | Samal |
| Isle of Jura Single Malt | Jura |
| Isle of Wight Festival | Isle of Wight Festival |
| Islisberg | Islisberg |
| Ismail Haniya | Ismail Haniya |
| Ismail Kadare | Ismail Kadare |
| Ismail Samani Piek | Pik Ismoil Somoni |
| Ismailia | Ismailia |
| Ismaël | Ismael |
| Ismene | Ismene |
| Ismet Inönü | Inönü |
| Iso-elektrisch punt | Isoelektrisk punkt |
| Isochoor proces | Isokor process |
| Isocrates | Isokrates |
| Isokyrö | Storkyro |
| Isola | Izola |
| Isola del Giglio | Giglio |
| Isolaat | Isolatspråk |
| isolatie- | isolerings- |
