| Israir Airlines | Israir |
| ISS assembly sequence | Etapy montażu ISS |
| Issachar | Issachar |
| Issei Sagawa | Issei Sagawa |
| Issel | IJssel |
| Issenheim | Issenheim |
| Isser Harel | Isser Harel |
| ISSF shooting events | Strzelectwo |
| issue | wydanie |
| Issue tracking system | Ticket tracking |
| issuer | emitent |
| Issus | Issos |
| Issyk | Issyk |
| Issyk Kul | Issyk-Kul |
| Issyk Kul Province | Obwód issykkulski |
| Issyk kurgan | Kurhan Issyk |
| Issyk-Kul | Issyk-Kul |
| Istanbul | Stambuł |
| Istanbul Biennial | Biennale w Stambule |
| Istanbul Cup | Istanbul Cup |
| Istanbul Modern | Muzeum Sztuki Nowoczesnej w Stambule |
| Istanbul Park | Istanbul Autodrom Circuit |
| Istanbul Province | Stambuł |
| Istarawshan | Istarawszan |
| Istari | Istari |
| Isthmian League | Isthmian League |
| isthmus | przesmyk |
| Isthmus of Corinth | Przesmyk Koryncki |
| Isthmus of Panama | Przesmyk Panamski |
| Isthmus of Perekop | Przesmyk Perekopski |
| Isthmus of Tehuantepec | Przesmyk Tehuantepec |
| isthmus of the fauces | cieśń gardzieli |
| İstiklal Marşı | Hymn Turcji |
| İstiklâl Marşı | Hymn Turcji |
| Istiqlal Party | Partia Istiqlal |
| Istituto Nazionale di Statistica | Istituto Nazionale di Statistica |
| Istok | Wschód |
| ISTP | ISTP |
| Istra county | Istarska županija |
| Istria | Istria |
| Istria County | Istarska županija |
| Istriot language | Język istriocki |
| Istro-Romanian language | Język istrorumuński |
| Istro-Romanians | Język istrorumuński |
| István Bilek | István Bilek |
| István Dobó | István Dobó |
| István Nyers | István Nyers |
| István Rózsavölgyi | István Rózsavölgyi |
| István Szabó | István Szabó |
| István Széchenyi | István Széchenyi |
| István Tisza | István Tisza |
