Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Brookview Chapel | Church | 117 | Cecil | 39 41 40 N | 076 04 12 W |
| Brookview Farms | Populated Place | 109 | Baltimore | 39 24 33 N | 076 33 58 W |
| Brookview Methodist Church | Church | 10 | Dorchester | 38 34 25 N | 075 47 59 W |
| Brookview School | School | 96 | Montgomery | 39 01 04 N | 076 59 20 W |
| Brookwood | Populated Place | 126 | Baltimore | 39 24 13 N | 076 40 58 W |
| Brookwood | Populated Place | 68 | Prince George's | 38 45 45 N | 076 49 31 W |
| Brookwood Acres | Populated Place | 66 | Charles | 38 36 45 N | 076 59 22 W |
| Brookwood Estates (subdivision) | Populated Place | 5 | Talbot | 38 46 11 N | 076 04 46 W |
| Broom Creek | Stream | | St. Mary's | 38 10 22 N | 076 24 48 W |
| Broome Junior High School | School | 101 | Montgomery | 39 04 57 N | 077 06 50 W |
| Broomes Island | Island | 0 | Calvert | 38 24 25 N | 076 33 05 W |
| Broomes Island | Populated Place | 2 | Calvert | 38 25 05 N | 076 32 39 W |
| Broomes Island Post Office | Post Office | 4 | Calvert | 38 25 19 N | 076 32 46 W |
| Broommes Wharf | Locale | 2 | St. Mary's | 38 11 09 N | 076 26 07 W |
| Brooms Island | Island | -2 | Calvert | 38 25 23 N | 076 29 28 W |
| Brosenne | Populated Place | 164 | Howard | 39 18 01 N | 076 55 27 W |
| Brothers Delight | Populated Place | 270 | Carroll | 39 41 06 N | 076 51 41 W |
| Brown | Populated Place | 135 | Montgomery | 39 08 45 N | 077 13 04 W |
| Brown | Populated Place | 36 | Prince George's | 38 51 10 N | 076 48 08 W |
| Brown Chapel | Church | 186 | Howard | 39 14 28 N | 076 59 34 W |
| Brown Creek | Stream | | Calvert | 38 20 41 N | 076 25 33 W |
| Brown Heights | Populated Place | 139 | Carroll | 39 38 12 N | 077 08 49 W |
| Brown Memorial Presbyterian Church | Church | 46 | Baltimore (city) | 39 18 21 N | 076 37 28 W |
| Brown School (historical) | School | 38 | Prince George's | 38 51 12 N | 076 48 08 W |
| Brown Station Elementary School | School | 130 | Montgomery | 39 08 19 N | 077 13 50 W |
| Brown United Methodist Church | Church | 39 | Calvert | 38 31 25 N | 076 31 59 W |
| Brownies Creek | Stream | | Calvert | 38 40 47 N | 076 31 56 W |
| Browning Bear Hill | Summit | 814 | Garrett | 39 36 42 N | 079 11 58 W |
| Browning Cemetery | Cemetery | 300 | Allegany | 39 43 15 N | 078 33 11 W |
| Browning Dam | Dam | 782 | Garrett | 39 31 06 N | 079 27 31 W |
| Browning Dam Reservoir | Reservoir | 782 | Garrett | 39 31 06 N | 079 27 31 W |
| Browning Mill (historical) | Locale | 782 | Garrett | 39 31 07 N | 079 27 54 W |
| Browningsville | Populated Place | 155 | Montgomery | 39 18 26 N | 077 14 35 W |
| Browns Branch | Stream | | Queen Anne's | 39 09 21 N | 076 00 19 W |
| Browns Bridge | Bridge | 82 | Howard | 39 08 45 N | 076 57 45 W |
| Browns Cemetery | Cemetery | 462 | Frederick | 39 38 39 N | 077 29 20 W |
| Browns Corner | Populated Place | 126 | Montgomery | 39 06 35 N | 077 18 10 W |
| Browns Corner | Populated Place | 68 | Montgomery | 38 59 38 N | 076 59 34 W |
| Browns Corner | Populated Place | 159 | Montgomery | 39 07 20 N | 076 59 20 W |
| Browns Corner | Populated Place | 19 | Queen Anne's | 39 06 03 N | 076 02 04 W |
| Browns Cove | Bay | -6 | Anne Arundel | 38 59 32 N | 076 27 08 W |
| Browns Cove | Bay | 4 | Anne Arundel | 39 04 35 N | 076 31 12 W |
| Browns Cove | Bay | 4 | Anne Arundel | 39 02 29 N | 076 34 32 W |
| Browns Cove | Bay | 2 | Kent | 39 06 10 N | 076 13 19 W |
| Browns Creek | Stream | | Baltimore | 39 16 19 N | 076 23 44 W |
| Browns Creek | Stream | | Kent | 39 08 53 N | 076 05 06 W |
| Browns Landing | Locale | 1 | Kent | 39 10 39 N | 076 10 24 W |
| Browns Landing | Locale | 1 | Queen Anne's | 38 53 27 N | 076 11 07 W |
| Browns Landing | Populated Place | 2 | Dorchester | 38 38 48 N | 075 48 51 W |
| Browns Memorial Baptist Church | Church | 64 | Baltimore (city) | 39 18 40 N | 076 38 49 W |
| Browns Point | Cape | 0 | Kent | 39 06 27 N | 076 13 06 W |
| Browns School (historical) | School | 142 | Cecil | 39 37 38 N | 076 05 23 W |
| Browns Station Park | Park | 128 | Montgomery | 39 08 55 N | 077 13 14 W |
| Browns Store (historical) | Populated Place | 475 | Washington | 39 40 19 N | 077 29 56 W |
| Browns Wharf | Locale | 1 | Baltimore (city) | 39 16 50 N | 076 35 37 W |
| Browns Woods | Populated Place | 19 | Anne Arundel | 39 00 21 N | 076 28 05 W |
| Browns Woods Villa | Populated Place | 26 | Anne Arundel | 39 00 34 N | 076 28 14 W |
| Brownstown | Populated Place | 105 | Montgomery | 39 08 28 N | 077 17 40 W |
| Brownstown Estates | Populated Place | 111 | Montgomery | 39 08 26 N | 077 17 08 W |
| Brownsville | Populated Place | 151 | Carroll | 39 41 04 N | 077 12 26 W |
| Brownsville | Populated Place | 18 | Queen Anne's | 39 02 48 N | 076 06 33 W |
| Brownsville | Populated Place | 166 | Washington | 39 22 55 N | 077 39 37 W |
| Brownsville Brethren Church | Church | 176 | Washington | 39 22 05 N | 077 40 07 W |
| Brownsville Cemetery | Cemetery | 179 | Washington | 39 22 03 N | 077 40 08 W |
| Brownsville Post Office | Post Office | 164 | Washington | 39 22 55 N | 077 39 38 W |
| Bruce Middle School | School | 251 | Allegany | 39 26 54 N | 078 58 30 W |
| Bruceville | Populated Place | 114 | Carroll | 39 36 35 N | 077 14 06 W |
| Bruceville | Populated Place | 10 | Talbot | 38 40 16 N | 075 59 02 W |
| Bruceville Station (historical) | Locale | 142 | Carroll | 39 35 57 N | 077 14 06 W |
| Bruffs Island | Island | 3 | Talbot | 38 51 21 N | 076 11 28 W |
| Brummel | Populated Place | 235 | Carroll | 39 36 10 N | 076 55 16 W |
| Brummers Mill (historical) | Locale | 91 | Frederick | 39 25 33 N | 077 25 54 W |
| Brunetto Acres | Populated Place | 239 | Carroll | 39 35 46 N | 076 58 12 W |
| Brunswick | Populated Place | 90 | Frederick | 39 18 51 N | 077 37 40 W |
| Brunswick Branch Frederick County Library | Building | 127 | Frederick | 39 19 16 N | 077 37 25 W |
| Brunswick Branch Library | Building | 129 | Frederick | 39 19 14 N | 077 37 26 W |
| Brunswick City Park | Park | 111 | Frederick | 39 18 43 N | 077 37 03 W |
| Brunswick Fire Company Number 5 | Building | | Frederick | 39 31 33 N | 078 03 38 W |
| Brunswick Heights Park | Park | 133 | Frederick | 39 19 23 N | 077 37 37 W |
| Brunswick High School | School | 136 | Frederick | 39 19 00 N | 077 36 30 W |
| Brunswick Historic District | Park | 96 | Frederick | 39 18 45 N | 077 37 19 W |
| Brunswick Medical Center | Hospital | 142 | Frederick | 39 18 59 N | 077 36 42 W |
| Brunswick Middle School | School | 135 | Frederick | 39 18 58 N | 077 36 28 W |
| Brunswick Museum | Building | 90 | Frederick | 39 18 49 N | 077 37 49 W |
| Brunswick Post Office | Post Office | 97 | Frederick | 39 18 53 N | 077 37 54 W |
| Brunswick Riverside Park | Park | 70 | Frederick | 39 18 24 N | 077 36 47 W |
| Brunswick School | School | 134 | Frederick | 39 19 07 N | 077 37 58 W |
| Brunswick Town Hall | Building | 85 | Frederick | 39 18 46 N | 077 37 34 W |
| Brunswick Town of Police Department | Building | | Frederick | 39 31 32 N | 078 03 03 W |
| Brunswick Volunteer Ambulance Company Number 19 | Building | | Frederick | 39 31 34 N | 078 03 36 W |
| Brush Tunnel | Tunnel | 364 | Allegany | 39 41 24 N | 078 48 50 W |
| Brushy Hollow | Valley | | Garrett | 39 31 06 N | 079 22 22 W |
| Bryan Point | Cape | 5 | Charles | 38 41 43 N | 077 03 57 W |
| Bryan Point | Populated Place | 45 | Prince George's | 38 41 02 N | 077 03 15 W |
| Bryans Cemetery | Cemetery | 7 | Queen Anne's | 38 57 47 N | 076 11 02 W |
| Bryans Church | Church | 7 | Queen Anne's | 38 57 47 N | 076 11 03 W |
| Bryans Cove | Bay | -8 | Queen Anne's | 38 58 53 N | 076 15 44 W |
| Bryans Road | Populated Place | 54 | Charles | 38 37 37 N | 077 04 23 W |
| Bryans Road Branch Charles County Public Library | Building | 54 | Charles | 38 37 48 N | 077 04 34 W |
| Bryans Road Post Office | Post Office | 54 | Charles | 38 37 38 N | 077 04 24 W |
| Bryans Road Shopping Center | Locale | 54 | Charles | 38 37 45 N | 077 04 28 W |
| Bryans Road Volunteer Fire Department and Rescue Squad Station 11 | Building | | Charles | 39 02 45 N | 077 07 41 W |
| Bryant Woods | Populated Place | 121 | Howard | 39 13 19 N | 076 52 04 W |
| Bryant Woods Elementary School | School | 123 | Howard | 39 13 16 N | 076 52 02 W |
| Bryantown | Populated Place | 42 | Charles | 38 33 18 N | 076 50 31 W |
| Bryantown | Populated Place | 5 | Queen Anne's | 38 56 30 N | 076 10 12 W |
| Bryantown Bridge | Bridge | 30 | Charles | 38 33 51 N | 076 50 25 W |
| Bryantown Estates | Populated Place | 54 | Charles | 38 32 42 N | 076 48 17 W |
| Bryantown Hills | Populated Place | 57 | Charles | 38 32 26 N | 076 51 27 W |
| Bryantown Historic District | Park | 44 | Charles | 38 33 16 N | 076 50 33 W |