| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Slick | city | Oklahoma | United States | 35.78 | -96.27 | 830 | |
| Slick Rock | city | Kentucky | United States | 37.01 | -85.80 | 830 | |
| Slick Rock | city | North Carolina | United States | 35.16 | -82.71 | 3349 | |
| Slick Rock | city | Tennessee | United States | 36.30 | -84.50 | 1669 | |
| Slickaway | city | Ohio | United States | 38.68 | -83.75 | 830 | |
| Slicker (historical) | city | Arkansas | United States | 35.88 | -92.83 | 961 | |
| Slickford | city | Kentucky | United States | 36.69 | -84.92 | 1079 | |
| Slicklizzard | city | Alabama | United States | 33.96 | -87.50 | 830 | |
| Slickpoo | city | Idaho | United States | 46.32 | -116.71 | 2509 | |
| Slickport | city | Pennsylvania | United States | 40.67 | -78.71 | 1699 | |
| Slickrock Ford | city | North Carolina | United States | 35.20 | -83.52 | 3349 | |
| Slickville | city | Pennsylvania | United States | 40.46 | -79.52 | 1256 | |
| Slickway | city | Kentucky | United States | 38.19 | -84.80 | 830 | |
| Slide | city | Texas | United States | 33.41 | -101.93 | 3349 | |
| Slidell | city | Maryland | United States | 39.22 | -77.33 | 830 | |
| Slidell | city | Texas | United States | 33.36 | -97.39 | 948 | |
| Slidell | city | Louisiana | United States | 30.28 | -89.78 | 9 | |
| Slidell Heights | city | Louisiana | United States | 30.29 | -89.79 | 9 | |
| Slidell Manor | city | Louisiana | United States | 30.31 | -89.82 | 19 | |
| Slidell Ozone Heights | city | Louisiana | United States | 30.32 | -89.78 | 26 | |
| Sliders | city | Virginia | United States | 37.46 | -78.68 | 830 | |
| Slifer | city | Iowa | United States | 42.34 | -94.38 | 1154 | |
| Sligh Avenue Estates | city | Florida | United States | 28.01 | -82.40 | 45 | |
| Slighs | city | South Carolina | United States | 34.20 | -81.45 | 830 | |
| Sligo | city | Kentucky | United States | 38.49 | -85.31 | 872 | |
| Sligo | city | Louisiana | United States | 32.45 | -93.58 | 196 | |
| Sligo | city | Missouri | United States | 37.77 | -91.38 | 1043 | |
| Sligo | city | North Carolina | United States | 36.45 | -76.08 | 3 | |
| Sligo | city | Ohio | United States | 39.44 | -83.92 | 941 | |
| Sligo | city | Pennsylvania | United States | 41.11 | -79.49 | 1190 | |
| Sligo | city | Pennsylvania | United States | 40.64 | -79.69 | 971 | |
| Sligo | city | Texas | United States | 33.05 | -102.70 | 3556 | |
| Sligo | city | Maryland | United States | 39.00 | -77.03 | 314 | |
| Sligo (historical) | city | Tennessee | United States | 35.97 | -85.71 | 830 | |
| Sligo Park Hills | city | Maryland | United States | 38.99 | -77.01 | 154 | |
| Sligo Woods | city | Maryland | United States | 39.03 | -77.03 | 341 | |
| Slim | city | Oklahoma | United States | 34.08 | -95.10 | 830 | |
| Slim Butte | city | South Dakota | United States | 43.08 | -102.82 | 3349 | |
| Slineyville (historical) | city | Connecticut | United States | 41.30 | -72.92 | 0 | |
| Slinger | city | Wisconsin | United States | 43.33 | -88.29 | 1099 | |
| Slingerlands | city | New York | United States | 42.63 | -73.86 | 232 | |
| Slip - Not Mobile Home Park | city | Florida | United States | 26.92 | -82.05 | 9 | |
| Slip-Up and Hitch (historical) | city | Arkansas | United States | 34.25 | -93.95 | 830 | |
| Slippery Rock | city | Pennsylvania | United States | 41.06 | -80.06 | 1669 | |
| Slippery Rock Park | city | Pennsylvania | United States | 41.02 | -80.02 | 1669 | |
| Sliters | city | New York | United States | 42.60 | -73.61 | 830 |