| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sparks | city | Maryland | United States | 39.53 | -76.65 | 406 | |
| Sparks Corner | city | Maryland | United States | 39.12 | -76.02 | 49 | |
| Sparrows Point | city | Maryland | United States | 39.22 | -76.48 | 3 | |
| Spaulding Knolls | city | Maryland | United States | 39.13 | -76.65 | 98 | |
| Spence | city | Maryland | United States | 38.16 | -75.31 | 16 | |
| Spencer Gardens | city | Maryland | United States | 39.15 | -76.59 | 49 | |
| Spencers Wharf | city | Maryland | United States | 38.32 | -76.48 | 0 | |
| Spencerville | city | Maryland | United States | 39.11 | -76.98 | 830 | |
| Spencerville Knolls | city | Maryland | United States | 39.12 | -76.97 | 830 | |
| Spickler | city | Maryland | United States | 39.66 | -77.87 | 830 | |
| Spielman | city | Maryland | United States | 39.54 | -77.76 | 830 | |
| Sponsellers | city | Maryland | United States | 39.38 | -77.28 | 830 | |
| Spook Hill | city | Maryland | United States | 39.64 | -76.72 | 830 | |
| Spoolsville | city | Maryland | United States | 39.45 | -77.56 | 830 | |
| Spooners Creek | city | Maryland | United States | 39.63 | -76.48 | 830 | |
| Sportsman Hall | city | Maryland | United States | 38.92 | -76.17 | 3 | |
| Spring Branch | city | Maryland | United States | 38.94 | -75.81 | 39 | |
| Spring Cove | city | Maryland | United States | 38.35 | -76.47 | 3 | |
| Spring Fields | city | Maryland | United States | 39.04 | -76.62 | 98 | |
| Spring Gap | city | Maryland | United States | 39.57 | -78.72 | 830 | |
| Spring Garden Estates | city | Maryland | United States | 39.47 | -77.36 | 298 | |
| Spring Garden Estates | city | Maryland | United States | 39.26 | -77.23 | 830 | |
| Spring Gardens | city | Maryland | United States | 39.27 | -76.64 | 62 | |
| Spring Grove | city | Maryland | United States | 38.49 | -75.75 | 19 | |
| Spring Hill | city | Maryland | United States | 39.00 | -77.07 | 196 | |
| Spring Hill | city | Maryland | United States | 39.40 | -76.49 | 252 | |
| Spring Hill | city | Maryland | United States | 38.95 | -77.11 | 203 | |
| Spring Hill (historical) | city | Maryland | United States | 38.49 | -76.99 | 147 | |
| Spring Hill Acres | city | Maryland | United States | 38.39 | -75.62 | 29 | |
| Spring Hill Estates | city | Maryland | United States | 39.67 | -77.80 | 830 | |
| Spring Hill Farms | city | Maryland | United States | 39.52 | -76.40 | 334 | |
| Spring House Estates | city | Maryland | United States | 39.69 | -76.32 | 403 | |
| Spring Lake Park | city | Maryland | United States | 39.06 | -77.11 | 396 | |
| Spring Meadow | city | Maryland | United States | 39.70 | -76.06 | 377 | |
| Spring Meadow | city | Maryland | United States | 39.65 | -76.97 | 830 | |
| Spring Meadows | city | Maryland | United States | 39.64 | -76.46 | 830 | |
| Spring Meadows | city | Maryland | United States | 39.12 | -76.70 | 98 | |
| Spring Meadows | city | Maryland | United States | 39.10 | -77.31 | 347 | |
| Spring Mills | city | Maryland | United States | 39.55 | -77.01 | 830 | |
| Spring Oak Estates | city | Maryland | United States | 38.50 | -76.97 | 144 | |
| Spring Ridge | city | Maryland | United States | 38.22 | -76.39 | 22 | |
| Spring Ridge | city | Maryland | United States | 39.40 | -77.35 | 357 | |
| Spring Valley | city | Maryland | United States | 38.60 | -76.99 | 196 | |
| Spring Valley | city | Maryland | United States | 38.27 | -76.47 | 98 | |
| Spring Valley | city | Maryland | United States | 39.43 | -77.41 | 298 | |
| Spring Valley | city | Maryland | United States | 39.69 | -77.69 | 830 | |
| Spring Valley Farms | city | Maryland | United States | 39.68 | -76.71 | 830 | |
| Spring Valley Mobile Home Park | city | Maryland | United States | 39.51 | -76.15 | 49 | |
| Springbrook | city | Maryland | United States | 39.05 | -76.99 | 360 | |
| Springbrook Forest | city | Maryland | United States | 39.05 | -77.02 | 324 | |
| Springbrook Manor | city | Maryland | United States | 39.05 | -76.99 | 360 | |
| Springbrook Terrace | city | Maryland | United States | 38.96 | -76.92 | 121 | |
| Springdale | city | Maryland | United States | 39.48 | -76.61 | 830 | |
| Springdale | city | Maryland | United States | 39.54 | -76.41 | 347 | |
| Springdale | city | Maryland | United States | 39.14 | -76.47 | 3 | |
| Springdale | city | Maryland | United States | 39.42 | -77.51 | 830 | |
| Springdale | city | Maryland | United States | 38.94 | -76.84 | 147 | |
| Springdale Gardens | city | Maryland | United States | 38.94 | -76.85 | 196 | |
| Springfield | city | Maryland | United States | 38.97 | -77.11 | 246 | |
| Springfield | city | Maryland | United States | 38.74 | -76.08 | 3 | |
| Springfield | city | Maryland | United States | 38.99 | -76.80 | 167 | |
| Springfield | city | Maryland | United States | 38.76 | -76.66 | 98 | |
| Springhaven | city | Maryland | United States | 38.64 | -76.92 | 200 | |
| Springhaven Woods | city | Maryland | United States | 38.64 | -76.92 | 200 | |
| Springhill | city | Maryland | United States | 38.50 | -76.98 | 147 | |
| Springhill | city | Maryland | United States | 39.59 | -76.18 | 351 | |
| Springhill Farms | city | Maryland | United States | 39.48 | -76.70 | 830 | |
| Springhill Lake | city | Maryland | United States | 39.00 | -76.90 | 144 | |
| Springlake | city | Maryland | United States | 39.46 | -76.61 | 830 | |
| Springvale | city | Maryland | United States | 39.48 | -77.67 | 830 | |
| Springview | city | Maryland | United States | 39.24 | -75.89 | 49 | |
| Springview | city | Maryland | United States | 39.35 | -77.55 | 403 | |
| Springwood | city | Maryland | United States | 39.06 | -77.02 | 301 | |
| Springwood | city | Maryland | United States | 39.16 | -76.77 | 229 | |
| Spruce Hill | city | Maryland | United States | 38.36 | -76.47 | 3 | |
| Spruce Hill Estates | city | Maryland | United States | 39.06 | -76.65 | 144 | |
| Spry Landing | city | Maryland | United States | 39.24 | -75.95 | 42 | |
| Spyglass | city | Maryland | United States | 38.80 | -76.54 | 3 |