| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sebalito | city | Salta | Argentina | -25.08 | -64.32 | 1669 | 1787 |
| Sebastian Elcano | city | Cordoba | Argentina | -30.16 | -63.59 | 830 | 2912 |
| Sebil Solo | city | Tucuman | Argentina | -27.37 | -65.74 | 1669 | 1100 |
| Sebila | city | Catamarca | Argentina | -28.72 | -66.37 | 3549 | 193 |
| Seccion Gap | city | Santa Cruz | Argentina | -52.16 | -68.57 | 147 | 0 |
| Sección Castillo | city | Tierra del Fuego, Antartida e Islas del Atlantico Sur | Argentina | -53.67 | -68.47 | 830 | 0 |
| Sección Cauchicol | city | Tierra del Fuego, Antartida e Islas del Atlantico Sur | Argentina | -53.88 | -67.93 | 219 | 0 |
| Sección Despedida | city | Tierra del Fuego, Antartida e Islas del Atlantico Sur | Argentina | -53.96 | -68.26 | 314 | 0 |
| Sección Miranda | city | Tierra del Fuego, Antartida e Islas del Atlantico Sur | Argentina | -53.68 | -68.12 | 160 | 0 |
| Sección San Nicolás | city | Formosa | Argentina | -25.66 | -58.17 | 183 | 149 |
| Seclantás | city | Salta | Argentina | -25.32 | -66.24 | 7549 | 473 |
| Seclantás Adentro | city | Salta | Argentina | -25.30 | -66.26 | 7549 | 473 |
| Seco | city | Tucuman | Argentina | -27.27 | -65.56 | 1177 | 24244 |
| Seeber | city | Cordoba | Argentina | -30.92 | -61.97 | 308 | 1686 |
| Segui | city | Buenos Aires | Argentina | -34.87 | -60.39 | 177 | 151 |
| Segui | city | Buenos Aires | Argentina | -34.89 | -58.13 | 52 | 133159 |
| Segunda Punta | city | Formosa | Argentina | -25.07 | -58.35 | 236 | 596 |
| Segurola | city | Buenos Aires | Argentina | -36.83 | -57.45 | 9 | 149 |
| Seguí | city | Entre Rios | Argentina | -31.96 | -60.12 | 298 | 7409 |
| Seis de Septiembre | city | Buenos Aires | Argentina | -34.65 | -58.62 | 91 | 523920 |
| Selva | city | Santiago del Estero | Argentina | -29.77 | -62.05 | 275 | 2631 |
| Selva Blanca | city | Santiago del Estero | Argentina | -28.78 | -62.00 | 269 | 149 |
| Selva Maria | city | Formosa | Argentina | -23.03 | -62.10 | 830 | 298 |
| Selva Negra | city | Santiago del Estero | Argentina | -28.71 | -61.88 | 262 | 139 |
| Selvas | city | Chaco | Argentina | -26.80 | -58.97 | 200 | 1453 |
| Selvas del Rio de Oro | city | Chaco | Argentina | -26.80 | -58.97 | 200 | 1453 |
| Senador Perez | city | Jujuy | Argentina | -23.30 | -65.35 | 9639 | 684 |
| Senda Hachada | city | Salta | Argentina | -23.05 | -63.92 | 1049 | 841 |
| Senillosa | city | Neuquen | Argentina | -39.00 | -68.42 | 1190 | 7848 |
| Senillosa | city | Salta | Argentina | -22.92 | -63.88 | 1200 | 1618 |
| Sepultura | city | Santiago del Estero | Argentina | -27.75 | -63.95 | 830 | 800 |
| Sepultura | city | La Rioja | Argentina | -28.45 | -69.11 | 12588 | 0 |
| Sepulturas | city | Santiago del Estero | Argentina | -27.43 | -63.70 | 830 | 298 |
| Sepulturas | city | Salta | Argentina | -23.98 | -66.28 | 11748 | 0 |
| Serodino | city | Santa Fe | Argentina | -32.61 | -60.95 | 45 | 1093 |
| Serrano | city | Cordoba | Argentina | -34.47 | -63.54 | 830 | 3350 |
| Serrezuela | city | Cordoba | Argentina | -30.64 | -65.39 | 915 | 2505 |
| Sesteadero | city | Santiago del Estero | Argentina | -26.67 | -64.20 | 830 | 298 |
| Sevigne | city | Buenos Aires | Argentina | -36.21 | -57.74 | 49 | 149 |
| Sevinge | city | Buenos Aires | Argentina | -36.21 | -57.74 | 49 | 149 |
| Sey | city | Jujuy | Argentina | -23.92 | -66.57 | 13654 | 0 |