| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1901  | Sangama Sangama,Sangana,Sengana | Nigeria, Bayelsa State Brass | populated place | N 4° 20′ 4'' | E 5° 59′ 7'' |
1902  | Sandamu Forest Reserve | Nigeria, Katsina State | forest reserve | N 12° 58′ 40'' | E 8° 22′ 2'' |
1903  | Samma Hills Samma Hill,Samma Hills | Nigeria, Sokoto Tambuwal > Dogon Daji | hill | N 12° 26′ 13'' | E 4° 49′ 6'' |
| 1904 | Samia Samia,Tsamia,Tsamiya | Nigeria, Plateau State Shendam | populated place | N 8° 55′ 13'' | E 9° 46′ 21'' |
| 1905 | Awulli Awulli,Sambori,Samburi | Nigeria, Borno State Ngala > Ndufu | populated place | N 12° 15′ 28'' | E 14° 14′ 29'' |
| 1906 | Hosere Sambo Hosere Sambo,Hosere Sambo Hill | Nigeria, Taraba State Gashaka | peak | N 7° 7′ 5'' | E 11° 27′ 24'' |
| 1907 | Sambisa Forest Reserve | Nigeria, Borno State | forest reserve | N 11° 13′ 33'' | E 13° 24′ 55'' |
| 1908 | Samanaji Samanage,Samanaji,Samaneggi | Nigeria, Kebbi Koko-Besse > Dutsin Mari Dul Meru | populated place | N 11° 9′ 39'' | E 4° 27′ 52'' |
| 1909 | Sama Noguakiri Sama,Sama Noguakiri,Sama-Naguakiri | Nigeria, Rivers State Asari-Toru | populated place | N 4° 48′ 53'' | E 6° 49′ 33'' |
| 1910 | Salawa Salawa,Salawa Odo,Salawa-Odo | Nigeria, Ondo State Irele | populated place | N 6° 24′ 43'' | E 4° 59′ 0'' |
| 1911 | Salwai Salawai,Salwai,Salwia | Nigeria, Kebbi Bunza > Salwai | populated place | N 12° 10′ 2'' | E 3° 59′ 22'' |
| 1912 | Sala-Orile Sala Orile,Sala-Orile,Shala | Nigeria, Ogun State Egbado North | populated place | N 7° 12′ 45'' | E 2° 58′ 27'' |
| 1913 | Sakara Sakara,Shakara,Yeye | Nigeria, Ogun State Egbado North | populated place | N 7° 22′ 9'' | E 2° 45′ 21'' |
| 1914 | Saai Saai,Sai,Sayi | Nigeria, Taraba State Takum | populated place | N 7° 34′ 26'' | E 9° 54′ 18'' |
| 1915 | Sagbama Aduezi,Ndiama,Ndiemazi,Obuare,Sagbama | Nigeria, Bayelsa State Sagbama | seat of a second-order administrative division | N 5° 9′ 32'' | E 6° 11′ 48'' |
| 1916 | Safarogbon Safarogbon,Saforogbo,Saforogbon | Nigeria, Edo State | populated place | N 6° 14′ 44'' | E 5° 3′ 44'' |
| 1917 | Safo Safo,Sajo,Songko,Sonko | Nigeria, Niger State Mashegu | populated place | N 9° 53′ 21'' | E 5° 24′ 47'' |
| 1918 | Godobe Godobe,Sabuwar Yamma,Yamma | Nigeria, Taraba State Karim Lamido | populated place | N 9° 12′ 23'' | E 10° 47′ 4'' |
| 1919 | Sabon-Gidan Kireyi Kireyi,Sabon Gida,Sabon-Gidan Kireyi,Sabon-GidanKireyi,SabonGida | Nigeria, Nasarawa State Lafia | populated place | N 8° 31′ 53'' | E 8° 41′ 14'' |
| 1920 | Rurum Hill Dutsen Rurum,Dutsin Rurum Hill,Rurum Hill | Nigeria, Kano State Rano > Rurum Tsohon Gari | hill elevation 628m | N 11° 24′ 43'' | E 8° 28′ 42'' |
| 1921 | Rumu-Igbo Rumu-Igbo,Umuibo,Umuigbo | Nigeria, Rivers State Obio/Akpor | populated place | N 4° 51′ 0'' | E 6° 59′ 26'' |
| 1922 | Ruma Ruma | Nigeria, Katsina State Batsari > Rumah | populated place population 8,857 | N 12° 51′ 45'' | E 7° 14′ 4'' |
| 1923 | Rukwe Kusa Rukwe Kusa,Rukwekosa | Nigeria, Taraba State Kurmi | mountain | N 7° 6′ 50'' | E 10° 15′ 18'' |
| 1924 | Rugar Yantu Rugan Yantu,Rugar Yantu,Ruggar Yantau | Nigeria, Sokoto Bodinga > Tulluwa | populated place | N 12° 58′ 56'' | E 5° 8′ 7'' |
| 1925 | Rugar Jatau Rugar Jatau,Ruggar Jatau,Tungan Jauta | Nigeria, Sokoto Bodinga > Dingyadi | populated place | N 12° 57′ 42'' | E 5° 7′ 44'' |
| 1926 | Rugar Dutse Ruga Dutse,Rugan Dutse,Rugar Dutse | Nigeria, Sokoto Dange-Shuni > Tuntube-Tsefe | populated place | N 12° 57′ 33'' | E 5° 16′ 3'' |
| 1927 | Rugar Alkali Rugan Kale,Rugar Alkali,Rugga Alkali | Nigeria, Sokoto Shagari > Dandin Mahe | populated place | N 12° 44′ 35'' | E 5° 7′ 32'' |
| 1928 | Rugar Cumo Rugan Gamau,Rugar Cumo,Rugga Cumo | Nigeria, Sokoto Shagari > Jaredi | populated place | N 12° 45′ 27'' | E 5° 7′ 16'' |
| 1929 | Rosa Hill Ransa Hill,Rosa Hill | Nigeria, Kebbi Arewa Dandi > Sarka | hill | N 13° 1′ 56'' | E 4° 26′ 5'' |
| 1930 | Ropp Hills Rop,Ropp Hills | Nigeria, Plateau State | mountains | N 9° 30′ 32'' | E 8° 56′ 55'' |
| 1931 | Riti Riti | Nigeria, Taraba State Wukari | populated place population 6,875 | N 7° 54′ 30'' | E 9° 37′ 0'' |
| 1932 | Ungwan Zaria Ancho,Rinze,Ungwan Zaria | Nigeria, Nasarawa State Nasarawa Egon | populated place | N 9° 0′ 57'' | E 8° 17′ 40'' |
| 1933 | Ringin Idi Rigin Idi,Ringin Idi,Rinjin Idi | Nigeria, Katsina State Matazu > Rinjin Idi | populated place | N 12° 11′ 11'' | E 7° 38′ 19'' |
| 1934 | Rinjim Gaini Rin gin Gani,Rinjim Gaini,Rinjim Gani | Nigeria, Bauchi Toro > Ribina East | populated place | N 10° 3′ 44'' | E 9° 5′ 34'' |
| 1935 | Rinda Hill Rinda,Rinda Hill | Nigeria, Adamawa Mubi South | hill | N 10° 13′ 49'' | E 13° 22′ 56'' |
| 1936 | Tsaunin Rimouchi Rimouchi Hill,Tsaunin Rimouchi | Nigeria, Niger State Shiroro | hill elevation 477m | N 10° 4′ 33'' | E 6° 36′ 57'' |
| 1937 | Rigacikun Rigachikum,Rigachikun,Rigacikum,Rigacikun | Nigeria, Kaduna State Igabi > Rigachikun | populated place | N 10° 37′ 54'' | E 7° 28′ 21'' |
| 1938 | Refurefu Egbedi Awdaw Refurefu,Refurefu Egbebi,Refurefu Egbedi | Nigeria, Ogun State Egbado North | populated place | N 6° 55′ 38'' | E 2° 51′ 12'' |
| 1939 | Saminaka Rahama,Saminaka,Samunakar | Nigeria, Kaduna State Lere > Saminaka | seat of a second-order administrative division population 7,165 | N 10° 24′ 44'' | E 8° 41′ 14'' |
| 1940 | Ragum Ragam,Ragum,Rugan | Nigeria, Kebbi Wasagu-Danko > Waje | populated place | N 11° 39′ 0'' | E 5° 38′ 0'' |
| 1941 | Rafin Lili Forest Reserve | Nigeria, | forest reserve | N 13° 2′ 0'' | E 7° 23′ 0'' |
| 1942 | Rafin-Naginai Rafin Baura,Rafin Nagindi,Rafin-Naginai | Nigeria, Kebbi Maiyama > Mungadi | populated place | N 12° 5′ 51'' | E 4° 13′ 17'' |
| 1943 | Rafin Bauna North Forest Reserve | Nigeria, | forest reserve | N 9° 54′ 0'' | E 8° 51′ 0'' |
| 1944 | Rafin Bechi Barci,Rafin Barci,Rafin Bechi,RafinBarci,RafinBechi | Nigeria, Nasarawa State Nasarawa Egon | populated place | N 8° 38′ 22'' | E 8° 31′ 40'' |
| 1945 | Rade Forest Reserve | Nigeria, Katsina State | forest reserve | N 12° 53′ 58'' | E 8° 19′ 0'' |
| 1946 | Lampamu Lampamu,Rackpam,Rakpam | Nigeria, Nasarawa State Toto | populated place | N 8° 19′ 6'' | E 7° 11′ 42'' |
| 1947 | Rabogi Rabo,Rabogi,Tungan Malain Marua | Nigeria, Niger State Paikoro | populated place | N 9° 16′ 48'' | E 6° 33′ 57'' |
| 1948 | Purambe Pirambi,Pirrambi,Purambe | Nigeria, Adamawa Song | populated place | N 9° 47′ 30'' | E 12° 18′ 57'' |
| 1949 | Pukokiri Ipikokiri,Pikokiri,Pukokiri | Nigeria, Rivers State Akuku Toru | populated place | N 4° 21′ 42'' | E 6° 34′ 15'' |
| 1950 | Polobogu Polobogo,Polobogu,Polobugo | Nigeria, Bayelsa State Southern Ijaw | populated place | N 4° 41′ 6'' | E 6° 7′ 4'' |
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