| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Social Hill | city | Arkansas | United States | 34.33 | -92.91 | 328 | |
| Soda Valley | city | Arkansas | United States | 35.26 | -92.36 | 830 | |
| Solgohachia | city | Arkansas | United States | 35.26 | -92.68 | 830 | |
| Solo | city | Arkansas | United States | 35.59 | -92.96 | 1223 | |
| Sommer (historical) | city | Arkansas | United States | 35.32 | -93.44 | 830 | |
| Sonora | city | Arkansas | United States | 36.17 | -94.04 | 1669 | |
| Sorrells | city | Arkansas | United States | 34.16 | -92.07 | 259 | |
| Soudan | city | Arkansas | United States | 34.83 | -90.66 | 193 | |
| South Bend | city | Arkansas | United States | 34.84 | -92.05 | 249 | |
| South Bend (historical) | city | Arkansas | United States | 34.04 | -91.46 | 164 | |
| South Crossett | city | Arkansas | United States | 33.11 | -91.95 | 147 | |
| South Fort Smith | city | Arkansas | United States | 35.33 | -94.40 | 830 | |
| South Lead Hill | city | Arkansas | United States | 36.39 | -92.91 | 898 | |
| South Ozark | city | Arkansas | United States | 35.48 | -93.83 | 347 | |
| South Plains | city | Arkansas | United States | 34.84 | -91.00 | 190 | |
| South Shore Park | city | Arkansas | United States | 35.47 | -92.12 | 830 | |
| South Stuttgart | city | Arkansas | United States | 34.49 | -91.54 | 209 | |
| Southbridge Addition | city | Arkansas | United States | 34.96 | -92.02 | 298 | |
| Southern Home (historical) | city | Arkansas | United States | 35.09 | -93.69 | 830 | |
| Southland | city | Arkansas | United States | 35.82 | -90.46 | 229 | |
| Southland | city | Arkansas | United States | 34.59 | -90.65 | 324 | |
| Southridge Estates | city | Arkansas | United States | 33.64 | -93.60 | 347 | |
| Southside | city | Arkansas | United States | 35.70 | -91.62 | 360 | |
| Southside | city | Arkansas | United States | 35.43 | -92.39 | 830 | |
| Southside Addition | city | Arkansas | United States | 34.96 | -92.02 | 291 | |
| Southwood Addition | city | Arkansas | United States | 34.92 | -91.98 | 288 |