| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sacada | city | Acre | Brazil | -10.93 | -69.25 | 905 | 269 |
| Sacado | city | Acre | Brazil | -10.93 | -69.25 | 905 | 269 |
| Samaúma | city | Acre | Brazil | -8.35 | -71.40 | 830 | 0 |
| San Miguel | city | Acre | Brazil | -10.92 | -69.42 | 974 | 188 |
| Santa Clara | city | Acre | Brazil | -9.87 | -67.77 | 830 | 18909 |
| Santa Cruz | city | Acre | Brazil | -8.07 | -72.78 | 830 | 744 |
| Santa Cruz | city | Acre | Brazil | -9.47 | -71.70 | 984 | 0 |
| Santa Fe | city | Acre | Brazil | -10.83 | -68.58 | 830 | 135 |
| Santa Fé | city | Acre | Brazil | -8.40 | -72.03 | 830 | 0 |
| Santa Rita | city | Acre | Brazil | -8.45 | -73.17 | 830 | 456 |
| Santa Rita | city | Acre | Brazil | -9.64 | -67.60 | 830 | 878 |
| Santa Rosa | city | Acre | Brazil | -8.67 | -70.52 | 830 | 0 |
| Santa Rosa | city | Acre | Brazil | -9.42 | -70.50 | 830 | 0 |
| Santo Antonio | city | Acre | Brazil | -8.07 | -72.78 | 830 | 744 |
| Santo Antonio | city | Acre | Brazil | -8.41 | -72.57 | 830 | 0 |
| Santo Antonio | city | Acre | Brazil | -8.23 | -73.05 | 830 | 745 |
| Santo Antonio | city | Acre | Brazil | -8.65 | -70.15 | 830 | 0 |
| Santo Antônio | city | Acre | Brazil | -10.10 | -69.22 | 830 | 0 |
| Santo Elias | city | Acre | Brazil | -7.77 | -72.60 | 830 | 691 |
| Sao Francisco | city | Acre | Brazil | -9.17 | -72.27 | 830 | 149 |
| Sao Francisco | city | Acre | Brazil | -8.78 | -70.60 | 830 | 0 |
| Sao Joao | city | Acre | Brazil | -9.10 | -72.67 | 830 | 149 |
| Sao Jorge | city | Acre | Brazil | -9.58 | -71.77 | 984 | 5 |
| Sao Jose | city | Acre | Brazil | -9.40 | -68.73 | 830 | 0 |
| Sao Luiz | city | Acre | Brazil | -10.30 | -67.13 | 830 | 4467 |
| Sao Pedro | city | Acre | Brazil | -8.52 | -73.05 | 830 | 125 |
| Sao Pedro | city | Acre | Brazil | -10.92 | -69.42 | 974 | 188 |
| Sao Rosa | city | Acre | Brazil | -8.67 | -70.52 | 830 | 0 |
| Sao Salvador | city | Acre | Brazil | -8.54 | -72.81 | 830 | 0 |
| Sao Salvador | city | Acre | Brazil | -7.43 | -73.22 | 830 | 0 |
| Sao Vicente | city | Acre | Brazil | -9.37 | -69.22 | 830 | 0 |
| Sao Vicente | city | Acre | Brazil | -10.63 | -69.42 | 951 | 270 |
| Saumama | city | Acre | Brazil | -8.35 | -71.40 | 830 | 0 |