HuHyIa
- Iapi, Southern Highlands, Papua New Guinea
IbIc
- Ica, Peru
- Ica Region, Peru
- Ica Valley, Peru
- Icapui, Ceara, Brazil
- Iceland
- Ichikawa, Yamanashi, Japan
- Ichinose, Japan
- Icklingham, Suffolk, England
- Icy Cape, North Slope Borough, Alaska, USA
- Icy Cape And Upper Colville River Vicinity, North Slope Borough, Alaska, USA
- Icy Strait, Alaska, USA
- Icy Strait, Haines Borough, Alaska, USA
- Icy Strait Point, Skagway-Hoonah-Angoon Division, Alaska, USA
IdIfIg
- Igloolik, Nunavut, Canada
- Iglulic, Hudson Bay, West Coast Of Canada, Northwest Territories, Canada
- Igluligaarjuk, Nunavut, Canada
- Iglulik, Canada
- Iglulik, West Coast, Hudson Bay, Canada
- Igorot, Mountain, Philippines
- Iguala, Guerrero, Mexico
- IgUg, Borden Number
- IgUg-1, IgUg, Borden Number
IkIlImIn
- Inderstukha, Chilkat, Haines Borough, Alaska, USA
- Inderstukha, Chilkat River, Haines Borough, Alaska, USA
- Inderstukha, Chilkoot, Haines Borough, Alaska, USA
- Inderstukha, Haines Borough, Alaska, USA
- India
- Indian Arm, British Columbia, Canada
- Indian Fort Site, British Columbia, Canada
- Indian Wells, Arizona, USA
- Indiana, USA
- Indianola, Washington, USA
- Indonesia
- Ingenika Point, British Columbia, Canada
- Inglefield Gulf, Greenland
- Inglefield Gulf, Herbert Island, Cape York, Greenland
- Inland, Icy Cape, North Slope Borough, Alaska, USA
- Inland, Noatak River, Northwest Arctic Borough, Alaska, USA
- Inland Area, Alaska, USA
- Inland Area, Kobuk River, Northwest Arctic Borough, Alaska, USA
- Innoko River, Alaska, USA
- Ino, Kochi, Japan
- Ino Machi, Kochi, Japan
- Inokubo, Tokushima, Japan
- Inomiya, Japan
- Inotanigami, Fukushima, Japan
- Intata Lake, British Columbia, Canada
- Intata Lake, Canada, British Columbia, Canada
- Interior, British Columbia, Canada
- Inukjuak, Nunavut, Canada
- Inukjuak, Quebec, Canada
- Inukjuak, Quebek, Canada
- Inukjuak Village, Quebec, Canada
- Inuvik, Northwest Territories, Canada
IoIqIrIs
- Isa Town, Central Governorate, Bahrain
- Isabel, Solomon Islands
- Isatkoak, Alaska, USA
- Isfahan, Iran
- Ishida, Ehime, Japan
- Ishikawa, Fukushima, Japan
- Ishikawa-ken, Japan
- Isiolo, Eastern, Kenya
- Isiolo, Kenya
- Iskenderun, Hatay, Turkey
- Islamabad, Pakistan
- Island County, Washington state, USA
- Island County, Washington, USA
- Island Lake, Manitoba, Canada