| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1901  | Cob Hill Akaa Hill,Cob Hill | Nigeria, Kaduna State Kachia > Gumel | hill | N 9° 49′ 16'' | E 7° 59′ 30'' |
1902  | Ajido-Elikiti Ajibo,Ajido,Ajido-Elikiti | Nigeria, Lagos Badagry | populated place | N 6° 28′ 45'' | E 2° 54′ 57'' |
| 1903 | Aye Abule Aja,Aje,Aye | Nigeria, Ogun State Imeko Afon | populated place | N 7° 27′ 24'' | E 2° 59′ 13'' |
| 1904 | Opuraja Ajatition,Ajatito,Ajatiton,Opuraja | Nigeria, Delta | populated place | N 5° 35′ 45'' | E 5° 16′ 32'' |
| 1905 | Ajara-Agarrabe Ajara,Ajara Agamaden,Ajara-Agarrabe | Nigeria, Lagos Badagry | populated place | N 6° 26′ 33'' | E 2° 53′ 13'' |
| 1906 | Ajamagba Ajamagba,Ajamawgba,Ajamogba | Nigeria, Oyo State Ori Ire | populated place | N 8° 21′ 1'' | E 4° 18′ 20'' |
| 1907 | Ajalli  Ajalli,Ujali,Ujalli,Ujari | Nigeria, Anambra Orumba North | seat of a second-order administrative division | N 6° 2′ 39'' | E 7° 12′ 31'' |
| 1908 | Aiyepe-Olode Aiyepe,Aiyepe Olode,Aiyepe-Olode | Nigeria, Osun State Ife South | populated place | N 7° 15′ 42'' | E 4° 38′ 4'' |
| 1909 | Aiyebam Aiyebam,Aya Abam,Ayaebam,Ayiebam | Nigeria, Cross River State Akamkpa | populated place | N 5° 15′ 35'' | E 8° 21′ 54'' |
| 1910 | Aihuobabekun Aihobabekun,Aihuobabekun,Awiwabekun | Nigeria, Edo State Ovia North-East | populated place | N 6° 32′ 22'' | E 5° 40′ 41'' |
| 1911 | Egunughan Agunugban,Agunughan,Egunughan | Nigeria, Rivers State Abua/Odual | populated place | N 4° 56′ 40'' | E 6° 35′ 17'' |
| 1912 | Aguluu Hill Aguluji Hill,Aguluu Hill | Nigeria, Kebbi Arewa Dandi > Sarka | hill | N 12° 58′ 27'' | E 4° 27′ 19'' |
| 1913 | Aguluezechukwu Agulezechuku,Aguluezechuku,Aguluezechukwu | Nigeria, Anambra Aguata | populated place | N 6° 0′ 53'' | E 7° 6′ 26'' |
| 1914 | Agosasa Agaw Shasha,Ago Sasa,Agosasa | Nigeria, Ogun State Ipokia | populated place | N 6° 34′ 59'' | E 2° 46′ 4'' |
| 1915 | Ago Akuruaje Ago Akuruaje,Ago Ruwase,Ago-Akuruaje | Nigeria, Ondo State Irele | populated place | N 6° 27′ 54'' | E 4° 54′ 54'' |
| 1916 | Ago-Hausa Agaw Awusa,Ago Hausa,Ago-Hausa | Nigeria, Lagos Badagry | populated place | N 6° 24′ 2'' | E 2° 51′ 47'' |
| 1917 | Agbo Agbo,Agbor | Nigeria, Delta Ika South | populated place | N 6° 15′ 57'' | E 6° 9′ 18'' |
| 1918 | Agbogugu Abaw-Ogugu,Abo Ogugu,Agbogugu | Nigeria, Enugu State Awgu | populated place | N 6° 15′ 5'' | E 7° 28′ 19'' |
| 1919 | Owevwe Agbasa,Agbassa,Owevwe | Nigeria, Delta Ughelli North | populated place | N 5° 30′ 31'' | E 6° 3′ 16'' |
| 1920 | Agbani Agbani | Nigeria, Enugu State Nkanu West | seat of a second-order administrative division | N 6° 18′ 24'' | E 7° 32′ 55'' |
| 1921 | Agbaja Plateau Agbaja Plateau,Agbajn Plateau | Nigeria, | plateau | N 7° 55′ 0'' | E 6° 40′ 0'' |
| 1922 | Agbadumo Agbaduma,Agbadumo,Agbodoma | Nigeria, Benue State Agatu | populated place | N 7° 50′ 36'' | E 8° 5′ 26'' |
| 1923 | Agbabu Agbabu | Nigeria, Ondo State Okitipupa | populated place population 8,611 | N 6° 35′ 19'' | E 4° 50′ 3'' |
| 1924 | Agani Agani,Aganni,Aqani | Nigeria, Lagos Surulere | populated place | N 6° 29′ 0'' | E 3° 21′ 0'' |
| 1925 | Agango Abule Egba,Aganga,Agango | Nigeria, Ogun State Egbado North | populated place | N 6° 52′ 12'' | E 2° 53′ 25'' |
| 1926 | Aganado Aganado,Aganadoa,Muktari | Nigeria, Borno State Mafa > Ajiri | populated place | N 11° 49′ 21'' | E 13° 35′ 53'' |
| 1927 | Agada-Odede Agada Apesi,Agada Odede,Agada-Odede | Nigeria, Ogun State Egbado North | populated place | N 7° 21′ 4'' | E 2° 59′ 42'' |
| 1928 | Adum Afo Adum,Adum Afaw,Adum Afo | Nigeria, Kogi State Olamaboro | populated place | N 7° 11′ 12'' | E 7° 24′ 45'' |
| 1929 | Adoru Adoru | Nigeria, Kogi State Igalamela-Odolu | populated place population 8,203 | N 6° 58′ 37'' | E 7° 9′ 45'' |
| 1930 | Ado-Awaiye Addo,Ado,Ado Awaiye,Ado-Awaiye | Nigeria, Oyo State Iseyin | populated place | N 7° 49′ 52'' | E 3° 25′ 53'' |
| 1931 | Danbeku Adembeki,Adembeku,Danbeku | Nigeria, Nasarawa State Toto | populated place | N 8° 3′ 24'' | E 7° 7′ 38'' |
| 1932 | Adeje Adedje,Adeje,Adeji | Nigeria, Delta Okpe | populated place | N 5° 41′ 11'' | E 5° 45′ 44'' |
1933  | Adale Lake | Nigeria, Borno State | lake | N 11° 25′ 33'' | E 13° 59′ 29'' |
1934  | Adagaki Escarpment Forest Reserve | Nigeria, Kogi State | forest reserve | N 8° 7′ 35'' | E 6° 48′ 38'' |
| 1935 | Achoro-Ndiagu Achara Ndiagu,Achara Ndiagu Omegio,Achoro-Ndiagu | Nigeria, Ebonyi State Ikwo | populated place | N 6° 7′ 49'' | E 8° 9′ 3'' |
| 1936 | Achaca-Ezi Achaca-Ezi,Achala-Ezi | Nigeria, Delta Aniocha North | populated place | N 6° 25′ 49'' | E 6° 31′ 46'' |
| 1937 | Abuja Abudzha,Abuja,Tufa,Абуджа | Nigeria, FCT Abaji | populated place | N 9° 14′ 49'' | E 6° 55′ 52'' |
| 1938 | Abuba-Nando Abuba-Nando,Abube-Nando | Nigeria, Anambra Oyi | populated place | N 6° 17′ 40'' | E 6° 56′ 44'' |
| 1939 | Aboto-Oja Aboto Oja,Aboto-Oja,Ila-Oja-Aboto | Nigeria, Kwara State Asa | populated place | N 8° 9′ 24'' | E 4° 32′ 30'' |
| 1940 | Abonnema Abonema,Abonnema,Nyemoni | Nigeria, Rivers State Degema | seat of a second-order administrative division | N 4° 43′ 54'' | E 6° 46′ 20'' |
| 1941 | Aboh Abo,Aboh | Nigeria, Delta Ndokwa East | seat of a second-order administrative division | N 5° 32′ 52'' | E 6° 31′ 33'' |
| 1942 | Abocho Abocho | Nigeria, Kogi State Dekina | populated place population 6,801 | N 7° 34′ 3'' | E 6° 59′ 10'' |
| 1943 | Abevgborode Abeugborode,Abevgborode,Abigborodo,Abigborudu | Nigeria, Delta Warri North | populated place | N 5° 53′ 36'' | E 5° 32′ 8'' |
| 1944 | Kasasaiwa Abari,Abbari,Kasasaiwa | Nigeria, Borno State Mafa > Zangebe | populated place | N 11° 57′ 17'' | E 13° 39′ 39'' |
| 1945 | Abuvo Abavo,Abuvo | Nigeria, Delta Ika South | populated place | N 6° 7′ 12'' | E 6° 11′ 6'' |
| 1946 | Abata-Egba Abata Egba,Abata-Egba,Alaba Egi | Nigeria, Osun State Ife East | populated place | N 7° 19′ 17'' | E 4° 36′ 18'' |
| 1947 | Aba-Oba Aba Oba,Aba-Oba,Odo-Oba,Oko-Awba | Nigeria, Osun State Aiyedade | populated place | N 7° 34′ 19'' | E 4° 18′ 23'' |
| 1948 | Hosere Abakun Hosere Abakun,Hosere Abakun Hill | Nigeria, Taraba State Gashaka | hill | N 7° 44′ 10'' | E 10° 53′ 41'' |
| 1949 | Abaji Abaji | Nigeria, FCT Abaji | seat of a second-order administrative division | N 8° 28′ 32'' | E 6° 56′ 35'' |
| 1950 | Agbaja-Owa Abaja-Awwa,Abaja-Owa,Abaja-Owi,Agbaja-Owa | Nigeria, Enugu State Ezeagu | populated place | N 6° 22′ 27'' | E 7° 18′ 7'' |
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