| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Miami Beach | city | Maryland | United States | 39.31 | -76.37 | 0 | |
| Mich-Trace Estates | city | Maryland | United States | 39.71 | -76.97 | 905 | |
| Michaels Corner | city | Maryland | United States | 39.52 | -76.29 | 298 | |
| Michaels Meadows | city | Maryland | United States | 39.58 | -76.36 | 830 | |
| Michaels Mill | city | Maryland | United States | 39.33 | -77.42 | 249 | |
| Michaels Ridge | city | Maryland | United States | 39.58 | -77.01 | 830 | |
| Michaelsville | city | Maryland | United States | 39.43 | -76.18 | 3 | |
| Michaelton Manor | city | Maryland | United States | 39.21 | -76.66 | 157 | |
| Michigan Park Hills | city | Maryland | United States | 38.96 | -76.98 | 78 | |
| Mid Country View | city | Maryland | United States | 39.37 | -77.25 | 830 | |
| Middle Brooke | city | Maryland | United States | 39.56 | -77.00 | 843 | |
| Middle Creek Estates | city | Maryland | United States | 39.58 | -77.54 | 1000 | |
| Middle Earth | city | Maryland | United States | 38.32 | -76.52 | 49 | |
| Middle Neck | city | Maryland | United States | 38.40 | -75.55 | 36 | |
| Middle River | city | Maryland | United States | 39.33 | -76.44 | 3 | |
| Middleborough | city | Maryland | United States | 39.31 | -76.44 | 3 | |
| Middlebrook | city | Maryland | United States | 39.18 | -77.24 | 400 | |
| Middlebrook | city | Maryland | United States | 39.34 | -77.55 | 830 | |
| Middlebrook Hills | city | Maryland | United States | 39.17 | -77.23 | 347 | |
| Middlebrook Mobile Home Park | city | Maryland | United States | 39.18 | -77.23 | 400 | |
| Middleburg | city | Maryland | United States | 39.59 | -77.21 | 830 | |
| Middlecroft | city | Maryland | United States | 39.69 | -75.91 | 396 | |
| Middlepoint | city | Maryland | United States | 39.56 | -77.52 | 928 | |
| Middlesex | city | Maryland | United States | 39.33 | -76.45 | 52 | |
| Middleton Farm | city | Maryland | United States | 38.81 | -76.92 | 249 | |
| Middletown | city | Maryland | United States | 39.44 | -77.54 | 830 | |
| Middletown | city | Maryland | United States | 38.31 | -76.88 | 3 | |
| Middletown | city | Maryland | United States | 38.61 | -76.98 | 196 | |
| Middletown Downs | city | Maryland | United States | 39.71 | -76.75 | 849 | |
| Middletown Estates | city | Maryland | United States | 39.71 | -76.76 | 849 | |
| Middletown Heights | city | Maryland | United States | 39.46 | -77.56 | 830 | |
| Middletown Manor | city | Maryland | United States | 39.43 | -77.54 | 830 | |
| Middletown South | city | Maryland | United States | 39.43 | -77.55 | 830 | |
| Middletown Valley Estates | city | Maryland | United States | 39.41 | -77.58 | 396 | |
| Middletown View | city | Maryland | United States | 39.46 | -77.57 | 830 | |
| Midland | city | Maryland | United States | 39.59 | -78.95 | 1820 | |
| Midlothian | city | Maryland | United States | 39.63 | -78.95 | 1899 | |
| Midsummer Hill | city | Maryland | United States | 39.65 | -76.46 | 830 | |
| Midvale Manor | city | Maryland | United States | 38.36 | -75.56 | 22 | |
| Midway Mobile Home Park | city | Maryland | United States | 39.11 | -76.83 | 147 | |
| Midway Pines | city | Maryland | United States | 39.52 | -77.29 | 830 | |
| Mikules Manor | city | Maryland | United States | 39.71 | -76.77 | 830 | |
| Milburn Landing | city | Maryland | United States | 38.12 | -75.49 | 3 | |
| Milburn on the Magothy | city | Maryland | United States | 39.11 | -76.45 | 3 | |
| Mile Tree Village | city | Maryland | United States | 39.22 | -76.06 | 3 | |
| Miles Corner | city | Maryland | United States | 39.25 | -77.30 | 830 | |
| Milestone | city | Maryland | United States | 39.21 | -77.25 | 830 | |
| Milestone Manor | city | Maryland | United States | 39.47 | -76.64 | 301 | |
| Milestown | city | Maryland | United States | 38.29 | -76.77 | 32 | |
| Milford | city | Maryland | United States | 39.35 | -76.74 | 400 | |
| Milford Mill | city | Maryland | United States | 39.35 | -76.77 | 830 | |
| Mill Bottom | city | Maryland | United States | 39.36 | -77.18 | 830 | |
| Mill Branch Estates | city | Maryland | United States | 38.66 | -76.65 | 49 | |
| Mill Brothers Hills | city | Maryland | United States | 39.60 | -77.11 | 830 | |
| Mill Cove Manor | city | Maryland | United States | 38.32 | -76.51 | 98 | |
| Mill Creek | city | Maryland | United States | 38.89 | -76.08 | 3 | |
| Mill Green | city | Maryland | United States | 39.66 | -76.32 | 298 | |
| Mill Green | city | Maryland | United States | 39.28 | -77.10 | 830 | |
| Mill Green Acres | city | Maryland | United States | 39.66 | -76.30 | 331 | |
| Mill Grove Gardens | city | Maryland | United States | 39.13 | -76.99 | 830 | |
| Mill Hill Estates | city | Maryland | United States | 38.63 | -76.97 | 196 | |
| Mill Point Shores | city | Maryland | United States | 38.34 | -76.83 | 3 | |
| Mill Run | city | Maryland | United States | 38.89 | -75.96 | 39 | |
| Mill Run Estates | city | Maryland | United States | 39.52 | -76.56 | 830 | |
| Mill Seat | city | Maryland | United States | 38.66 | -76.65 | 49 | |
| Mill Stone Estates | city | Maryland | United States | 39.67 | -76.33 | 262 | |
| Mill Stream Hills | city | Maryland | United States | 39.71 | -76.80 | 830 | |
| Mill Swamp | city | Maryland | United States | 38.88 | -76.57 | 49 | |
| Millards Mill | city | Maryland | United States | 38.58 | -77.11 | 85 | |
| Millbrook | city | Maryland | United States | 39.27 | -76.15 | 36 | |
| Miller | city | Maryland | United States | 39.60 | -78.93 | 1955 | |
| Miller Chapel | city | Maryland | United States | 39.71 | -77.65 | 830 | |
| Millers | city | Maryland | United States | 39.67 | -76.85 | 846 | |
| Millers Store | city | Maryland | United States | 39.68 | -76.23 | 400 | |
| Millersville | city | Maryland | United States | 39.06 | -76.65 | 144 | |
| Millersville Forest | city | Maryland | United States | 39.06 | -76.65 | 141 | |
| Millgate | city | Maryland | United States | 39.52 | -76.55 | 830 | |
| Millhausens | city | Maryland | United States | 39.08 | -76.59 | 49 | |
| Millington | city | Maryland | United States | 39.26 | -75.84 | 32 | |
| Millpoint | city | Maryland | United States | 39.53 | -77.69 | 830 | |
| Millpond Acres | city | Maryland | United States | 38.58 | -75.72 | 19 | |
| Millrace | city | Maryland | United States | 39.11 | -76.63 | 147 | |
| Mills Farm | city | Maryland | United States | 39.10 | -77.26 | 331 | |
| Mills Farm East | city | Maryland | United States | 39.10 | -77.25 | 305 | |
| Mills Manor | city | Maryland | United States | 39.53 | -77.39 | 351 | |
| Milltown Landing | city | Maryland | United States | 38.63 | -76.69 | 39 | |
| Millwood | city | Maryland | United States | 39.67 | -76.85 | 830 | |
| Millwood | city | Maryland | United States | 39.50 | -76.36 | 200 | |
| Millys Delight | city | Maryland | United States | 39.29 | -77.05 | 830 | |
| Milton | city | Maryland | United States | 38.50 | -76.19 | 3 | |
| Mimosa Cove | city | Maryland | United States | 38.78 | -76.54 | 3 | |
| Minefield | city | Maryland | United States | 39.65 | -76.38 | 830 | |
| Mineral Spring | city | Maryland | United States | 39.71 | -79.35 | 1879 | |
| Miners Ridge | city | Maryland | United States | 39.44 | -76.93 | 830 | |
| Minersville (historical) | city | Maryland | United States | 39.25 | -76.64 | 72 | |
| Minksville (historical) | city | Maryland | United States | 38.36 | -75.53 | 32 | |
| Minnick | city | Maryland | United States | 39.58 | -76.08 | 111 | |
| Minnick | city | Maryland | United States | 39.41 | -77.54 | 830 | |
| Mission Heights | city | Maryland | United States | 39.16 | -76.81 | 275 | |
| Mission Ridge | city | Maryland | United States | 39.54 | -76.62 | 830 | |
| Mistletoe Springs | city | Maryland | United States | 39.09 | -76.85 | 150 | |
| Mistwood | city | Maryland | United States | 39.06 | -76.69 | 147 | |
| Misty Meadows | city | Maryland | United States | 39.62 | -76.08 | 400 | |
| Mitchell Manor | city | Maryland | United States | 39.42 | -79.40 | 2509 | |
| Mitchells Range | city | Maryland | United States | 39.12 | -77.28 | 396 | |
| Mitchellville | city | Maryland | United States | 38.93 | -76.74 | 98 |