| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Matapeake | city | Maryland | United States | 38.96 | -76.35 | 3 | |
| Matapeake | city | Maryland | United States | 38.46 | -76.54 | 98 | |
| Matapeake Estates | city | Maryland | United States | 38.95 | -76.35 | 3 | |
| Matherwood Heights | city | Maryland | United States | 39.41 | -77.18 | 830 | |
| Mathews | city | Maryland | United States | 39.38 | -77.47 | 347 | |
| Matovich | city | Maryland | United States | 39.29 | -77.44 | 249 | |
| Mattapanient (historical) | city | Maryland | United States | 38.29 | -76.41 | 3 | |
| Mattapex | city | Maryland | United States | 38.90 | -76.35 | 3 | |
| Mattawoman | city | Maryland | United States | 38.65 | -76.88 | 196 | |
| Mattawoman Estates | city | Maryland | United States | 38.65 | -76.87 | 196 | |
| Mattawoman Village | city | Maryland | United States | 38.56 | -77.17 | 49 | |
| Mattawoman Woods | city | Maryland | United States | 38.59 | -77.16 | 6 | |
| Matthews | city | Maryland | United States | 38.82 | -75.95 | 36 | |
| Matyiko Manor | city | Maryland | United States | 38.50 | -75.72 | 29 |