rumänische Ortsnamen
| Iacobeni (bei Agnita) |
| Iacobeni (bei Miercurea Ciuc) |
| Iara |
| Iara de Mures |
| Iaras |
| Iasi |
| Iasu |
| Ibanesti |
| Ibanesti-Padure |
| Icafalau |
| Icland |
| Iclandu Mare |
| Iclanzel |
| Iclod (bei Blaj) |
| Iclod (bei Dej) |
| Iclozel |
| Ideciu de Jos |
| Ideciu de Sus |
| Idicel |
| Idicel-Padure |
| Idiciu |
| Idrifaia |
| Iernut |
| Iernuteni |
| Ighiel |
| Ighiu |
| Ighisu Nou |
| Ighisul Vechi |
| Ighiu |
| Ignatesti |
| Igritia |
| Ihod |
| Ileanda |
| Ileni |
| Ilia |
| Ilieni |
| Iliesi |
| Iliesti |
| Ilimbav |
| Ilioara |
| Iliusua |
| Ilva Mare |
| Ilva Mica |
| Imeni |
| Imper |
| Inau |
| Ineu |
| Inlaceni |
| Inoc |
| Intorsuara Buzaului |
| Intregalde |
| Inucu |
| Inuri |
| Ionesti |
| Iscroni |
| Isla |
| Istan-Tau |
| Istihaza |
| Isvoarele |
| Iuriu de cimpie |
| Ivaneasa |
| Ivanes |
| Ivanis |
| Izbita |
| Izlaz |
| Izvoare |
| Izvoarele (bei Turda) |
| Izvoarele (bei Hunedoara) |
| Izvoru Ampoiului |
| Izvoru Crisului |
| Izvorul Muresului (bei Gheorgheni) |
| Izvorul Muresului (bei Miercu. Ciuc) |
| Izvorul Trotusului |
- |
deutsche Ortsnamen
| Jakobsdorf |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Mikluden |
| - |
| - |
| Nieder-Eidisch |
| Ober-Eidisch |
| Eidischdorf |
| - |
| Belleschdorf |
| Ederholz |
| Radnuten |
| Etschdorf |
| - |
| - |
| Eibesdorf |
| Walachisch-Eibesdorf |
| Grabendorf |
| - |
| - |
| - |
| - |
| - |
| Elienmarkt |
| - |
| - |
| - |
| Eulenbach |
| - |
| - |
| Groß-Ilva |
| Klein-Ilva |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| Eisdorf |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
| - |
|
ungarische Ortsnamen
| Jakabfalva |
| Kaszonjakabfalva |
| Alsojara |
| Marosjara |
| Nyarospatak |
| - |
| Jasfalva |
| Libanfalva |
| Erdölibantalva |
| Ikafalva |
| Ikland |
| Nagy-Ikland |
| Kis-Ikland |
| Iklod |
| Nayiklod |
| Kisiklod |
| Alsoidecs |
| Felsöidecs |
| Idecspatak |
| Erdöidecs |
| Jövedics |
| Hederfaja |
| Radnot |
| Radnotfaja |
| Igenpatak |
| Ege |
| Szaszivanfalva |
| Olahivanfalva |
| Magyarigen |
| - |
| Igrice |
| Ehed |
| Nagyilonda |
| - |
| Marosillyen |
| Illyefalva |
| Illyesmezö |
| - |
| Illenbak |
| Kisillye |
| Alsoilosva |
| Nagyilva |
| Kisilva |
| Imecsfalva |
| Kaszonimper |
| Unömezö |
| Csikjenöfalva |
| Enlaka |
| Inakfalva |
| Bodzafordulo |
| Havasgald |
| Inaktelke |
| Borsomezö |
| Homorodjanosfalva |
| - |
| Iszla |
| - |
| Istvanhaza |
| Csufud |
| Mezöör |
| - |
| Ivanyos |
| - |
| - |
| - |
| Ivopatak |
| Bedellö |
| Lodzina |
| Nagyompoly |
| Korösfo |
| Marosfö |
| Marosfö |
| Santatelek |
|
