| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tobacco Woods | city | Maryland | United States | 38.62 | -76.53 | 49 | |
| Tobin | city | Maryland | United States | 39.40 | -76.76 | 830 | |
| Tobytown | city | Maryland | United States | 39.06 | -77.29 | 265 | |
| Todd Estates | city | Maryland | United States | 39.59 | -76.27 | 164 | |
| Todd Lakes | city | Maryland | United States | 39.52 | -76.29 | 249 | |
| Todd Village Mobile Home Park | city | Maryland | United States | 39.51 | -76.90 | 830 | |
| Toddville | city | Maryland | United States | 38.30 | -76.07 | 3 | |
| Tolchester | city | Maryland | United States | 39.22 | -76.24 | 3 | |
| Tolchester Beach | city | Maryland | United States | 39.21 | -76.24 | 3 | |
| Tolchester Estates | city | Maryland | United States | 39.23 | -76.23 | 3 | |
| Tolchester Heights | city | Maryland | United States | 39.22 | -76.24 | 3 | |
| Toll House | city | Maryland | United States | 39.27 | -76.81 | 354 | |
| Tolley Terrace | city | Maryland | United States | 39.36 | -77.24 | 830 | |
| Tollgate | city | Maryland | United States | 39.42 | -76.79 | 830 | |
| Tollgate Estates | city | Maryland | United States | 39.52 | -76.35 | 298 | |
| Tolson | city | Maryland | United States | 38.14 | -76.53 | 0 | |
| Tome Estates | city | Maryland | United States | 39.69 | -76.06 | 400 | |
| Tompkinsville | city | Maryland | United States | 38.32 | -76.89 | 9 | |
| Topeka East | city | Maryland | United States | 39.70 | -76.14 | 200 | |
| Topkapi | city | Maryland | United States | 39.54 | -77.00 | 846 | |
| Tower Acres | city | Maryland | United States | 39.13 | -76.88 | 347 | |
| Tower Gardens of the Bay | city | Maryland | United States | 38.87 | -76.36 | 6 | |
| Tower Mobile Home Park | city | Maryland | United States | 38.90 | -75.79 | 52 | |
| Tower Point | city | Maryland | United States | 39.50 | -75.91 | 49 | |
| Towering Oaks | city | Maryland | United States | 39.15 | -76.62 | 49 | |
| Town Commons | city | Maryland | United States | 39.57 | -75.98 | 0 | |
| Town Creek | city | Maryland | United States | 39.53 | -78.54 | 921 | |
| Town Creek | city | Maryland | United States | 38.32 | -76.48 | 3 | |
| Town Creek (historical) | city | Maryland | United States | 39.63 | -78.57 | 830 | |
| Town Creek Farm | city | Maryland | United States | 38.31 | -76.49 | 3 | |
| Town Creek Manor | city | Maryland | United States | 38.30 | -76.49 | 98 | |
| Town Home Village | city | Maryland | United States | 38.96 | -76.48 | 19 | |
| Town Point | city | Maryland | United States | 39.50 | -75.90 | 0 | |
| Town Point Estates | city | Maryland | United States | 38.55 | -76.21 | 3 | |
| Town and Country | city | Maryland | United States | 39.10 | -76.82 | 150 | |
| Town and Country North | city | Maryland | United States | 39.47 | -76.62 | 830 | |
| Town and Country West | city | Maryland | United States | 39.29 | -76.81 | 396 | |
| Towne Centre Place | city | Maryland | United States | 39.15 | -77.07 | 830 | |
| Townsends Cross Roads | city | Maryland | United States | 38.91 | -75.79 | 52 | |
| Townshend | city | Maryland | United States | 38.67 | -76.87 | 200 | |
| Towson | city | Maryland | United States | 39.40 | -76.60 | 830 | |
| Towson Estates | city | Maryland | United States | 39.40 | -76.58 | 830 | |
| Towson Park | city | Maryland | United States | 39.41 | -76.61 | 830 |