| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1401  | Ikang Ikang | Nigeria, Cross River State Akpabuyo | populated place population 13,305 | N 4° 47′ 23'' | E 8° 31′ 53'' |
| 1402 | Iju  Iju | Nigeria, Ogun State Ado Odo/Ota | populated place | N 6° 41′ 0'' | E 3° 8′ 0'' |
| 1403 | Ijoko Ijoko,Ijoko Station | Nigeria, Ogun State Ado Odo/Ota | populated place | N 6° 44′ 32'' | E 3° 15′ 43'' |
| 1404 | Ijare Ijar,Ijare | Nigeria, Ondo State Ifedore | populated place | N 7° 21′ 54'' | E 5° 10′ 30'' |
| 1405 | Ijagbe Ijagbe,Jagbe | Nigeria, Kogi State Mopa-Muro | populated place | N 8° 10′ 57'' | E 5° 52′ 55'' |
| 1406 | Iho Iho,Ihuo | Nigeria, Imo State Ikeduru | seat of a second-order administrative division population 7,776 | N 5° 34′ 56'' | E 7° 5′ 56'' |
1407  | Ihugh Forest Reserve Ihugh Forest Reserve,Tiv Native Area Number 2 | Nigeria, Benue State | forest reserve | N 6° 59′ 36'' | E 9° 2′ 25'' |
| 1408 | Ihitte Ogwa Ihitte Ogwa | Nigeria, Imo State Mbatoli | populated place | N 5° 37′ 0'' | E 7° 5′ 53'' |
| 1409 | Ihiagwa Ihiagwa,ihiaguwa,イヒアグワ | Nigeria, Imo State Owerri West | populated place | N 5° 23′ 57'' | E 7° 0′ 32'' |
| 1410 | Iguododo Iguododo | Nigeria, Edo State Orhionmwon | populated place | N 6° 13′ 24'' | E 6° 0′ 7'' |
| 1411 | Igwuruta Agrita,Igrita,Igwuruta | Nigeria, Rivers State Ikwerre | populated place | N 4° 57′ 17'' | E 7° 0′ 58'' |
| 1412 | Igheghudu Igeghudu,Igheghudu,Ughieghudu,Ugieghudu | Nigeria, Edo State Uhunmwonde | populated place | N 6° 32′ 11'' | E 6° 2′ 15'' |
| 1413 | Igbuku Igbuku | Nigeria, Delta Ndokwa East | populated place | N 5° 36′ 32'' | E 6° 24′ 29'' |
| 1414 | Igbor Igbor | Nigeria, Benue State Gwer East | populated place population 17,666 | N 7° 27′ 4'' | E 8° 36′ 29'' |
| 1415 | Igbodo Igbodo | Nigeria, Delta Ika North East | populated place | N 6° 18′ 6'' | E 6° 22′ 22'' |
| 1416 | Igbaki Igbaki,Igbanke | Nigeria, Edo State Orhionmwon | populated place | N 6° 20′ 54'' | E 6° 12′ 23'' |
| 1417 | Igbaja Igbaja | Nigeria, Kwara State Ifelodun | populated place | N 8° 22′ 57'' | E 4° 52′ 54'' |
| 1418 | Igangan Forest Reserve Ibadan Native Area,Igangan Forest Reserve | Nigeria, Oyo State | forest reserve | N 7° 42′ 59'' | E 3° 4′ 34'' |
| 1419 | Iyakala Igakhara,Ivbiakhara,Iyakala,Iyekhara | Nigeria, Edo State Owan East | populated place | N 6° 59′ 13'' | E 6° 11′ 37'' |
| 1420 | Idogo Idagaw,Idawgaw,Idawgo,Idogo | Nigeria, Ogun State Egbado South | populated place | N 6° 50′ 6'' | E 2° 54′ 48'' |
| 1421 | Idoani Idoani | Nigeria, Ondo State Ose | populated place | N 7° 17′ 45'' | E 5° 50′ 48'' |
| 1422 | Idiroko Idi Iroko,Idiroko | Nigeria, Ogun State | populated place population 7,487 | N 6° 37′ 54'' | E 2° 44′ 49'' |
| 1423 | Idheze Idheze | Nigeria, Delta Isoko South | populated place | N 5° 30′ 25'' | E 6° 16′ 55'' |
1424  | Iddo Island Bruce Island,Iddo Island | Nigeria, Lagos | island | N 6° 28′ 19'' | E 3° 22′ 45'' |
| 1425 | Icheu Icheu | Nigeria, Kogi State Bassa | populated place population 14,704 | N 7° 42′ 24'' | E 6° 46′ 18'' |
| 1426 | Ibeto Ibeto | Nigeria, Niger State Magama | populated place population 15,565 | N 10° 29′ 7'' | E 5° 8′ 42'' |
| 1427 | Ibese Beshi,Gbesse,Ibese,Ibeshe,Ibeshi | Nigeria, Lagos Ikorodu | populated place | N 6° 33′ 18'' | E 3° 28′ 24'' |
| 1428 | Ibaji Ojoku Forest Reserve Ibaji Ojoku Forest Reserve,Igala Native Area Number 7 | Nigeria, Kogi State | forest reserve | N 7° 1′ 25'' | E 6° 53′ 43'' |
| 1429 | Humbutidi Betengi,Betengui,Bétengui,Humbetode,Humbetodi,Humbutidi,Humbutodi | Nigeria, Adamawa Maiha | populated place | N 10° 7′ 26'' | E 13° 9′ 14'' |
| 1430 | Gwasoro Gwasero,Gwasoro | Nigeria, Kwara State Baruten | populated place population 7,263 | N 9° 29′ 14'' | E 3° 30′ 27'' |
| 1431 | Gwadabawa Gwadabawa | Nigeria, Sokoto Gwadabawa > Gwadabawa | seat of a second-order administrative division population 17,486 | N 13° 21′ 29'' | E 5° 14′ 17'' |
| 1432 | Umu Oma Umu Oma | Nigeria, Imo State Owerri West | populated place | N 5° 26′ 0'' | E 7° 1′ 0'' |
| 1433 | Rumuokoro Rumu-Okoro-Odomey,Rumuokoro,Umuokoro | Nigeria, Rivers State Obio/Akpor | populated place | N 4° 52′ 1'' | E 6° 59′ 52'' |
| 1434 | Umunoha Umunoha | Nigeria, Imo State Mbatoli | populated place | N 5° 37′ 6'' | E 6° 58′ 36'' |
| 1435 | Umunahu Umunahu | Nigeria, Imo State Owerri North | populated place | N 5° 29′ 58'' | E 7° 5′ 58'' |
| 1436 | Umukabia Umukabia | Nigeria, Imo State Ngor-Okpala | populated place | N 5° 20′ 53'' | E 7° 10′ 0'' |
| 1437 | Umudike Umudike,umudike,ウムディケ | Nigeria, Abia State Ikwuano | populated place | N 5° 28′ 35'' | E 7° 32′ 56'' |
| 1438 | Umuchu Umuchu | Nigeria, Imo State | populated place | N 5° 55′ 50'' | E 7° 7′ 40'' |
| 1439 | Umuawulu Umuawulu | Nigeria, Anambra Awka South | populated place | N 6° 8′ 53'' | E 7° 6′ 3'' |
| 1440 | Umuagwo Umuagu,Umuagwo | Nigeria, Imo State Ohaji/Egbema | populated place | N 5° 18′ 25'' | E 6° 56′ 37'' |
| 1441 | Umuaghadi-Inyishi Umuaghadi Inyishia,Umuaghadi-Inyishi | Nigeria, Imo State Ikeduru | populated place | N 5° 34′ 20'' | E 7° 7′ 30'' |
| 1442 | Uli Uli | Nigeria, Anambra Ihiala | populated place | N 5° 46′ 58'' | E 6° 51′ 55'' |
| 1443 | Ukwulu Ukwulu | Nigeria, Anambra Dunukofia | populated place | N 6° 16′ 20'' | E 6° 57′ 38'' |
| 1444 | Ugwuoba Ugwuoba | Nigeria, Enugu State Oji-River | populated place | N 6° 15′ 16'' | E 7° 9′ 33'' |
| 1445 | Ugiogba Ojogba,Ugiogba,Ujiogba | Nigeria, Edo State Esan West | populated place | N 6° 31′ 49'' | E 6° 8′ 49'' |
| 1446 | Ugianmuen Ugiame,Ugiamen,Ugianmuen,Ugianmwen | Nigeria, Edo State Esan West | populated place | N 6° 40′ 42'' | E 6° 5′ 20'' |
| 1447 | Ughoton Ughoton,Ugoton,Уготон | Nigeria, Edo State Ovia North-East | populated place | N 6° 9′ 54'' | E 5° 21′ 37'' |
| 1448 | Ugbobiga Ugbobiga,Ugbobigan,Ugbovbighan | Nigeria, Edo State Owan East | populated place | N 6° 48′ 49'' | E 6° 5′ 26'' |
| 1449 | Ogbodu Ogbodu,Ubodu,Ugbodu | Nigeria, Delta Aniocha North | populated place | N 6° 22′ 50'' | E 6° 27′ 24'' |
| 1450 | Ubuluku Ubulu-Uku,Ubuluku,Uburu-Uku | Nigeria, Delta Aniocha South | populated place | N 6° 13′ 57'' | E 6° 27′ 0'' |
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