| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1901  | Sueldos Desvio Sueldos,Desvío Sueldos,Parada Sueldos,Sueldos | Argentina, Tucuman Departamento de Leales | populated place | S 27° 7′ 0'' | W 65° 13′ 0'' |
| 1902 | Colonia Sombra del Toro | Argentina, Buenos Aires | populated place | S 38° 14′ 13'' | W 62° 6′ 31'' |
| 1903 | Sitkioj Sitkioj,Sitquiosj | Argentina, Santiago del Estero | populated place | S 28° 37′ 51'' | W 63° 23′ 1'' |
| 1904 | Sinsacate Estancia Sinsacate,Sinsacate,Sinsacote | Argentina, Cordoba Departamento de Totoral | populated place | S 30° 56′ 34'' | W 64° 5′ 38'' |
| 1905 | Simbolito Simbolito | Argentina, Salta | populated place | S 24° 53′ 55'' | W 63° 36′ 38'' |
| 1906 | El Simbolar El Simbolar,Simbolar | Argentina, Cordoba | populated place | S 30° 38′ 18'' | W 64° 53′ 38'' |
| 1907 | Sierras Bayas Sierra Bayas,Sierras Bayas | Argentina, Buenos Aires Partido de Olavarría | populated place | S 36° 56′ 0'' | W 60° 9′ 31'' |
| 1908 | Serrezuela Serrezuela | Argentina, Cordoba Departamento de Cruz del Eje | populated place population 2,291 | S 30° 38′ 22'' | W 65° 23′ 13'' |
| 1909 | Serrano Serrano | Argentina, Cordoba Departamento de Presidente Roque Sáenz Peña | populated place population 2,670 | S 34° 28′ 17'' | W 63° 32′ 17'' |
| 1910 | Selva  Selva | Argentina, Santiago del Estero Departamento de Rivadavia | seat of a second-order administrative division | S 29° 46′ 5'' | W 62° 2′ 51'' |
| 1911 | Sección Despedida Despedida,Despidida,Seccion Despedida,Sección Despedida | Argentina, Tierra del Fuego Departamento de Río Grande | populated place | S 53° 57′ 36'' | W 68° 15′ 43'' |
| 1912 | Sebastián Elcano Sebastian Elcano,Sebastián Elcano | Argentina, Cordoba Departamento de Río Seco | populated place population 2,042 | S 30° 9′ 37'' | W 63° 35′ 32'' |
| 1913 | Saujil Saujil | Argentina, Catamarca Departamento de Pomán | seat of a second-order administrative division | S 28° 10′ 28'' | W 66° 12′ 57'' |
| 1914 | Sauce Solo Sauce Solo | Argentina, Santiago del Estero | populated place | S 28° 34′ 18'' | W 64° 15′ 14'' |
| 1915 | Sarmiento Sarmiento,Soldevila,Soldevilla | Argentina, Tierra del Fuego Tolhuin | populated place | S 54° 21′ 0'' | W 68° 11′ 0'' |
| 1916 | Sara Estancia La Sara,Estancia Sara,La Sara,Sara | Argentina, Tierra del Fuego Departamento de Río Grande | populated place | S 53° 26′ 1'' | W 68° 11′ 2'' |
| 1917 | Sa Pereyra Sa Pereira,Sa Pereyra,Saa Pereyra,Sá Pereira | Argentina, Santa Fe Las Colonias Department | populated place | S 31° 34′ 11'' | W 61° 22′ 34'' |
| 1918 | Santo Domingo Santo Domingo | Argentina, Santiago del Estero | populated place | S 28° 22′ 4'' | W 63° 28′ 38'' |
| 1919 | Santiago Temple Sagrado Temple,Santiago Temple | Argentina, Cordoba Departamento de Río Segundo | populated place population 2,358 | S 31° 23′ 9'' | W 63° 25′ 10'' |
| 1920 | Santa Victoria Santa Victoria | Argentina, Salta Departamento de Santa Victoria | seat of a second-order administrative division | S 22° 15′ 4'' | W 64° 57′ 55'' |
| 1921 | Santa Trinidad Colonia Numero 1,Colonia Número 1,Santa Trinidad | Argentina, Buenos Aires Partido de Coronel Suárez | populated place | S 37° 29′ 15'' | W 61° 55′ 33'' |
| 1922 | Santa Rosa Santa Rosa,Santa-Rosa,Villa Santa Rosa,Санта-Роса | Argentina, Mendoza Departamento de Santa Rosa | seat of a second-order administrative division | S 33° 15′ 14'' | W 68° 9′ 2'' |
| 1923 | Santa Rosa Santa Rosa | Argentina, Santiago del Estero | populated place | S 28° 41′ 26'' | W 63° 10′ 41'' |
| 1924 | Colonia Santa Rita Colonia Santa Rita,Santa Rita | Argentina, Cordoba | populated place | S 31° 11′ 39'' | W 62° 15′ 20'' |
| 1925 | Colonia Santa María | Argentina, Buenos Aires | populated place | S 35° 55′ 45'' | W 61° 29′ 16'' |
| 1926 | Santa María Santa Maria,Santa María | Argentina, Catamarca Departamento de Santa María | seat of a second-order administrative division | S 26° 41′ 40'' | W 66° 2′ 53'' |
| 1927 | Santa Isabel Santa Isabel | Argentina, Buenos Aires | populated place | S 36° 8′ 2'' | W 60° 37′ 4'' |
| 1928 | Santa Eufemia Santa Eufemia | Argentina, Cordoba Departamento de Juárez Celman | populated place population 2,179 | S 33° 10′ 34'' | W 63° 16′ 58'' |
| 1929 | Santa Catalina Santa Catalina | Argentina, Jujuy Departamento de Santa Catalina | seat of a second-order administrative division | S 21° 56′ 44'' | W 66° 3′ 6'' |
| 1930 | Santa Bárbara Santa Barbara,Santa Bárbara | Argentina, Santiago del Estero | populated place | S 28° 26′ 50'' | W 64° 19′ 42'' |
| 1931 | Campo Andino Campo Andino,San Pedro,San-Pedro,Сан-Педро | Argentina, Santa Fe Capital Department | populated place | S 31° 14′ 18'' | W 60° 31′ 46'' |
| 1932 | San Pablo San Pablo | Argentina, Santiago del Estero | populated place | S 28° 48′ 50'' | W 62° 4′ 17'' |
| 1933 | Sañogasta Sanogasta,Sañogasta | Argentina, La Rioja Departamento de Sanagasta | seat of a second-order administrative division | S 29° 5′ 42'' | W 67° 6′ 57'' |
| 1934 | San Nicolás San Nicholas,San Nicolas,San Nicolás,Sant-Nikolas,Сант-Николас | Argentina, Santiago del Estero Departamento de Moreno | populated place | S 27° 36′ 34'' | W 63° 10′ 47'' |
| 1935 | El Carmen Carmen,El Carmen,San Nicolas,San Nicolás,Sant-Nikolas,Сант-Николас | Argentina, Salta Departamento de La Viña | populated place | S 25° 26′ 15'' | W 65° 33′ 42'' |
| 1936 | San Miguel El Sapallo,El Zapallo,San Miguel | Argentina, Salta Departamento de Rivadavia | populated place | S 22° 35′ 20'' | W 62° 49′ 43'' |
| 1937 | Colonia San Martín Colonia San Martin,Colonia San Martín | Argentina, Buenos Aires | populated place | S 34° 8′ 56'' | W 61° 16′ 24'' |
| 1938 | San Marcos Sierra San Marcos,San Marcos Sierra | Argentina, Cordoba Departamento de Cruz del Eje | populated place population 3,355 | S 30° 47′ 0'' | W 64° 38′ 27'' |
| 1939 | San Juan y Oros San Juan,San Juan de Oro,San Juan y Oros | Argentina, Jujuy Departamento de Santa Catalina | populated place | S 22° 12′ 57'' | W 66° 23′ 19'' |
| 1940 | San Juan San Juan | Argentina, Santiago del Estero | populated place | S 29° 26′ 30'' | W 63° 20′ 28'' |
| 1941 | San José de Macomitas Macomita,Macomitas,San Jose de Macomitas,San José de Macomitas | Argentina, Tucuman Departamento de Burruyacú | populated place | S 26° 44′ 0'' | W 65° 1′ 0'' |
| 1942 | San José de la Esquina San Jose,San Jose de la Esquina,San Jose de las Esquinas,San José,San José de la Esquina | Argentina, Santa Fe Departamento de Caseros | populated place | S 33° 6′ 46'' | W 61° 42′ 14'' |
| 1943 | San José Piedra Blanca,San Jose,San Jose de Fray Mamerto Esquiu,San José,San José de Fray Mamerto Esquiú | Argentina, Catamarca Departamento de Fray Mamerto Esquiú | seat of a second-order administrative division | S 28° 23′ 15'' | W 65° 42′ 3'' |
| 1944 | San José Norte San Jose,San Jose Norte,San José,San José Norte | Argentina, Santiago del Estero | populated place | S 28° 17′ 41'' | W 63° 36′ 36'' |
| 1945 | San José de Arriba San Jose,San Jose de Arriba,San José,San José de Arriba | Argentina, Tucuman | populated place | S 26° 25′ 0'' | W 64° 44′ 10'' |
| 1946 | San Jerónimo Sud San Geronimo,San Gerónimo,San Jeronimo,San Jeronimo Sud,San Jeronimo Sur,San Jerónimo,San Jerónimo S... | Argentina, Santa Fe Departamento de San Lorenzo | populated place | S 32° 52′ 45'' | W 61° 1′ 28'' |
| 1947 | San Jerónimo del Sauce San Geronimo del Sauce,San Gerónimo del Sauce,San Jeronimo del Sauce,San Jerónimo del Sauce,Sauce | Argentina, Santa Fe Las Colonias Department | populated place | S 31° 36′ 33'' | W 61° 8′ 27'' |
| 1948 | San Isidro San Isidro | Argentina, Catamarca Departamento de Valle Viejo | seat of a second-order administrative division | S 28° 27′ 27'' | W 65° 43′ 29'' |
| 1949 | Sañico Samico,Sanico,Sañico,Sañicó | Argentina, Neuquen Departamento de Collón-Curá | populated place | S 40° 7′ 19'' | W 70° 25′ 27'' |
| 1950 | San Francisco de Bellocq S.F. de Bellocq,San F. de Bellocq,San Francisco de Bellocq | Argentina, Buenos Aires Partido de Tres Arroyos | populated place | S 38° 41′ 22'' | W 60° 0′ 50'' |
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