| Abbreviation | Definition |
|---|---|
| ING | Lago Argentino, Santa Cruz, Argentina |
| INH | Inhambane, Mozambique |
| INI | Nis, Yugoslavia |
| INJ | Injune, Queensland, Australia |
| INK | Wink, Texas USA |
| INL | International Falls, Minnesota USA |
| INM | Innamincka, South Australia, Australia |
| INN | Innsbruck, Austria |
| INO | Inongo, Zaire |
| INQ | Inisheer, Republic Of Ireland |
| INS | Creech Air Force, Base, Indian Springs, Nevada USA |
| INU | Nauru Island, Republic of Nauru |
| INV | Inverness, Scotland, UK |
| INW | Winslow, Arizona USA |
| INX | Inanwatan, Indonesia |
| INY | Inyati, South Africa |
| INZ | In Salah, Algeria |
| IOA | Ioannina, Greece |
| IOAS | Safi Abad, Iran |
| IOFZ | Natanz, Iran |