| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Buck Lodge | city | Maryland | United States | 39.01 | -76.96 | 200 | |
| Buck Neck | city | Maryland | United States | 39.27 | -76.16 | 13 | |
| Buck Neck Landing | city | Maryland | United States | 39.27 | -76.17 | 3 | |
| Buckels Corner | city | Maryland | United States | 38.99 | -75.90 | 49 | |
| Buckeystown | city | Maryland | United States | 39.33 | -77.43 | 272 | |
| Buckeystown Station | city | Maryland | United States | 39.33 | -77.45 | 291 | |
| Buckhill Farms | city | Maryland | United States | 39.61 | -75.79 | 68 | |
| Buckhorn Run | city | Maryland | United States | 39.42 | -77.01 | 830 | |
| Buckingham Hills | city | Maryland | United States | 39.33 | -77.42 | 249 | |
| Buckingham Manor | city | Maryland | United States | 39.44 | -76.96 | 830 | |
| Buckingham View | city | Maryland | United States | 39.56 | -76.98 | 846 | |
| Buckler Trailer Park | city | Maryland | United States | 38.56 | -76.61 | 101 | |
| Bucklodge | city | Maryland | United States | 39.19 | -77.34 | 396 | |
| Buckskin Woods | city | Maryland | United States | 39.25 | -76.97 | 830 | |
| Bucktown | city | Maryland | United States | 38.46 | -76.03 | 3 | |
| Budds Creek | city | Maryland | United States | 38.40 | -76.83 | 147 | |
| Buena Vista | city | Maryland | United States | 38.53 | -76.65 | 9 | |
| Buena Vista | city | Maryland | United States | 38.96 | -76.82 | 147 | |
| Buena Vista Estates | city | Maryland | United States | 39.61 | -76.82 | 830 | |
| Buena Vista Hills | city | Maryland | United States | 38.53 | -76.62 | 134 | |
| Buena Vista on the Patuxent | city | Maryland | United States | 38.53 | -76.65 | 9 | |
| Buffalo Estates | city | Maryland | United States | 39.47 | -77.12 | 830 | |
| Buffalo Hills | city | Maryland | United States | 39.46 | -77.12 | 846 | |
| Buhrman | city | Maryland | United States | 39.56 | -77.57 | 1112 | |
| Bull Run | city | Maryland | United States | 38.34 | -76.79 | 98 | |
| Bulle Rock | city | Maryland | United States | 39.06 | -76.15 | 3 | |
| Bullock | city | Maryland | United States | 39.67 | -77.26 | 357 | |
| Bunker Hill Estates | city | Maryland | United States | 39.56 | -77.22 | 830 | |
| Burch | city | Maryland | United States | 38.51 | -76.66 | 3 | |
| Burdette | city | Maryland | United States | 39.20 | -77.30 | 416 | |
| Bureau | city | Maryland | United States | 38.82 | -75.86 | 22 | |
| Burgee | city | Maryland | United States | 39.36 | -77.56 | 830 | |
| Burkittsville | city | Maryland | United States | 39.39 | -77.63 | 830 | |
| Burkley Manor | city | Maryland | United States | 39.52 | -76.17 | 98 | |
| Burleigh Manor | city | Maryland | United States | 39.26 | -76.87 | 400 | |
| Burleytown | city | Maryland | United States | 39.15 | -76.67 | 98 | |
| Burnbrae | city | Maryland | United States | 39.40 | -76.62 | 364 | |
| Burnham Hills | city | Maryland | United States | 39.20 | -77.15 | 830 | |
| Burnham Woods | city | Maryland | United States | 39.21 | -77.16 | 830 | |
| Burning Oaks | city | Maryland | United States | 38.42 | -76.73 | 147 | |
| Burning Tree Estates | city | Maryland | United States | 39.01 | -77.16 | 209 | |
| Burns Corner | city | Maryland | United States | 39.53 | -76.17 | 111 | |
| Burnside Acres | city | Maryland | United States | 39.44 | -77.72 | 830 | |
| Burnt Hickory | city | Maryland | United States | 39.30 | -77.37 | 298 | |
| Burnt Mill | city | Maryland | United States | 38.33 | -76.64 | 45 | |
| Burnt Mills | city | Maryland | United States | 39.03 | -77.00 | 272 | |
| Burnt Mills Hills | city | Maryland | United States | 39.03 | -76.99 | 347 | |
| Burnt Mills Knolls | city | Maryland | United States | 39.03 | -76.99 | 347 | |
| Burnt Mills Manor | city | Maryland | United States | 39.04 | -77.00 | 272 | |
| Burnt Mills Village | city | Maryland | United States | 39.04 | -77.00 | 298 | |
| Burnt Oak | city | Maryland | United States | 38.71 | -76.54 | 0 | |
| Burnt Woods | city | Maryland | United States | 39.28 | -77.00 | 830 | |
| Burrier Knob | city | Maryland | United States | 39.45 | -77.21 | 830 | |
| Burrisville | city | Maryland | United States | 39.10 | -76.07 | 49 | |
| Burrsville | city | Maryland | United States | 38.89 | -75.73 | 65 | |
| Burtner | city | Maryland | United States | 39.52 | -77.72 | 400 | |
| Burtonsville | city | Maryland | United States | 39.11 | -76.93 | 400 | |
| Bush | city | Maryland | United States | 39.47 | -76.26 | 45 | |
| Bush Creek Estates | city | Maryland | United States | 39.37 | -77.28 | 830 | |
| Bush River | city | Maryland | United States | 39.44 | -76.24 | 3 | |
| Bush River Mobile Home Park | city | Maryland | United States | 39.45 | -76.23 | 6 | |
| Bushey Heights | city | Maryland | United States | 39.43 | -77.02 | 830 | |
| Bushs Corner | city | Maryland | United States | 39.67 | -76.41 | 830 | |
| Bushwood | city | Maryland | United States | 38.30 | -76.78 | 98 | |
| Bushwood Wharf | city | Maryland | United States | 38.28 | -76.80 | 16 | |
| Bushy Park Estates | city | Maryland | United States | 39.31 | -77.06 | 830 | |
| Busic | city | Maryland | United States | 39.14 | -75.82 | 45 | |
| Butchers Hill | city | Maryland | United States | 39.29 | -76.59 | 42 | |
| Buteaux Crossing | city | Maryland | United States | 38.59 | -77.11 | 49 | |
| Butler | city | Maryland | United States | 39.54 | -76.73 | 347 | |
| Butlers Beach | city | Maryland | United States | 38.46 | -75.84 | 3 | |
| Butlertown | city | Maryland | United States | 39.28 | -76.10 | 49 | |
| Buttercup Estates | city | Maryland | United States | 39.30 | -76.96 | 830 | |
| Butterfield | city | Maryland | United States | 39.36 | -77.27 | 830 | |
| Buzzard Point | city | Maryland | United States | 38.28 | -76.64 | 3 |