Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Baltimore School For The Arts | School | | Baltimore (city) | 39 17 52 N | 076 37 03 W |
| Baltimore School of the Bible | School | 45 | Baltimore (city) | 39 18 25 N | 076 37 50 W |
| Baltimore Streetcar Museum | Building | 23 | Baltimore (city) | 39 18 49 N | 076 37 25 W |
| Baltimore Temple Salvation Army | Church | 39 | Baltimore (city) | 39 17 17 N | 076 38 36 W |
| Baltimore Yacht Club | Locale | -2 | Baltimore | 39 17 23 N | 076 23 44 W |
| Baltimore Zoo | Park | 98 | Baltimore (city) | 39 19 24 N | 076 38 49 W |
| Baltimore-Washington Industrial Park | Locale | 81 | Howard | 39 08 49 N | 076 47 55 W |
| Baltimore-Washington International Airport | Airport | 44 | Anne Arundel | 39 10 31 N | 076 40 05 W |
| Baltimore-Washington International Commerce Park | Locale | 42 | Anne Arundel | 39 09 30 N | 076 40 54 W |
| Baltimore-Washington Parkway | Park | 61 | Prince George's | 39 07 28 N | 076 45 57 W |
| Baltimore-Washington Science and Industrial Center | Locale | 36 | Anne Arundel | 39 11 38 N | 076 41 09 W |
| Bamberger Farms | Locale | 271 | Carroll | 39 41 13 N | 076 57 06 W |
| Bamberry Neck | Cape | 11 | Talbot | 38 39 20 N | 075 58 49 W |
| Bancroft | Populated Place | 25 | Anne Arundel | 39 01 06 N | 076 30 30 W |
| Bancroft Hall | Building | 4 | Anne Arundel | 38 58 53 N | 076 28 58 W |
| Bank (historical) | Populated Place | 41 | Cecil | 39 39 22 N | 075 49 11 W |
| Bankhead Cove | Bay | -3 | St. Mary's | 38 21 11 N | 076 48 39 W |
| Bankhead Point | Cape | 2 | St. Mary's | 38 21 07 N | 076 48 55 W |
| Banks O'Dee | Locale | 4 | Charles | 38 19 14 N | 076 55 31 W |
| Bannaeker Hall | Building | 74 | Baltimore (city) | 39 20 42 N | 076 35 04 W |
| Bannaker Fire Station | Building | 121 | Howard | 39 12 46 N | 076 52 10 W |
| Banneker School | School | 158 | Baltimore | 39 16 49 N | 076 44 29 W |
| Banneker School | School | 41 | St. Mary's | 38 19 47 N | 076 40 33 W |
| Banneker-Douglass Museum of Afro-American Life and History | Building | 10 | Anne Arundel | 38 58 38 N | 076 29 38 W |
| Banner Country | Populated Place | 168 | Montgomery | 39 13 58 N | 077 12 29 W |
| Bannister | Populated Place | 59 | Charles | 38 35 41 N | 076 54 09 W |
| Bannister Neighborhood Center | Building | 58 | Charles | 38 35 35 N | 076 54 11 W |
| Bannockburn | Populated Place | 67 | Montgomery | 38 58 24 N | 077 08 30 W |
| Bannockburn Estates | Populated Place | 73 | Montgomery | 38 59 01 N | 077 08 50 W |
| Bannockburn Heights | Populated Place | 75 | Montgomery | 38 58 52 N | 077 08 33 W |
| Bannockburn School | School | 88 | Montgomery | 38 58 29 N | 077 08 17 W |
| Baptist Bible Church | Church | 10 | Cecil | 39 37 28 N | 075 49 30 W |
| Baptist Home of Maryland | Building | 165 | Baltimore | 39 25 07 N | 076 43 38 W |
| Baptist Road Cemetery | Cemetery | 142 | Carroll | 39 40 15 N | 077 12 08 W |
| Bar Harbor | Populated Place | 7 | Anne Arundel | 39 09 27 N | 076 30 28 W |
| Bar Harbor Campground | Locale | 0 | Harford | 39 27 42 N | 076 14 44 W |
| Bar Harbor Manor | Populated Place | 5 | Anne Arundel | 39 09 19 N | 076 30 33 W |
| Bar Kess Heights (subdivision) | Populated Place | 39 | Harford | 39 31 14 N | 076 09 29 W |
| Bar Neck | Cape | 0 | Dorchester | 38 34 53 N | 076 12 39 W |
| Bar Neck | Cape | 2 | Talbot | 38 41 16 N | 076 19 37 W |
| Bar-Klee Estates | Populated Place | 238 | Carroll | 39 27 08 N | 076 59 46 W |
| Barbadoes Pond | Lake | -3 | Dorchester | 38 24 18 N | 076 05 11 W |
| Barbara Fritchie House and Museum | Building | 86 | Frederick | 39 24 51 N | 077 24 50 W |
| Barbeque Point | Cape | 0 | Dorchester | 38 14 45 N | 076 08 44 W |
| Barber | Populated Place | 15 | Talbot | 38 38 31 N | 076 01 12 W |
| Barber Point | Cape | 6 | Charles | 38 22 07 N | 076 52 14 W |
| Barbers Quarter | Populated Place | 14 | St. Mary's | 38 22 28 N | 076 50 27 W |
| Barbersville Trailer Park | Populated Place | 47 | Anne Arundel | 39 05 25 N | 076 49 29 W |
| Barclay | Populated Place | 21 | Queen Anne's | 39 08 39 N | 075 51 51 W |
| Barclay Elementary School | School | 68 | Baltimore (city) | 39 19 26 N | 076 36 42 W |
| Barclay Post Office | Post Office | 21 | Queen Anne's | 39 08 39 N | 075 51 50 W |
| Barclay Town Hall | Building | 21 | Queen Anne's | 39 08 39 N | 075 51 51 W |
| Bards Field | Locale | 0 | St. Mary's | 38 05 52 N | 076 23 04 W |
| Bards Point | Cape | 0 | Somerset | 38 02 08 N | 076 01 40 W |
| Bare Hills | Populated Place | 100 | Baltimore | 39 22 52 N | 076 39 12 W |
| Bare Hills | Range | 128 | Baltimore | 39 22 42 N | 076 40 23 W |
| Bare Marsh | Swamp | -2 | Somerset | 37 59 17 N | 076 00 01 W |
| Bare Neck Shore | Beach | 0 | Anne Arundel | 38 51 12 N | 076 32 14 W |
| Bare Swamp | Swamp | 0 | Dorchester | 38 24 42 N | 075 56 16 W |
| Barefoot Acres | Populated Place | 30 | St. Mary's | 38 17 15 N | 076 30 25 W |
| Barefoot Park | Populated Place | 42 | Calvert | 38 41 23 N | 076 34 43 W |
| Bark Hill | Populated Place | 181 | Carroll | 39 35 12 N | 077 09 09 W |
| Bark Hill Bible Church | Church | 181 | Carroll | 39 35 11 N | 077 09 14 W |
| Bark Hill Church of God (historical) | Church | 181 | Carroll | 39 35 11 N | 077 09 14 W |
| Barker Creek | Stream | | Talbot | 38 44 13 N | 076 00 34 W |
| Barkers Ferry (historical) | Crossing | 37 | Caroline | 38 44 08 N | 075 59 47 W |
| Barkley Branch | Stream | | Somerset | 38 17 10 N | 075 41 08 W |
| Barksdale | Populated Place | 63 | Cecil | 39 40 08 N | 075 48 53 W |
| Barksdale Farms | Populated Place | 54 | Cecil | 39 39 56 N | 075 48 45 W |
| Barksdale Station (historical) | Locale | 52 | Cecil | 39 39 52 N | 075 48 53 W |
| Barlett Cemetery | Cemetery | 487 | Allegany | 39 32 46 N | 079 00 48 W |
| Barlowe Road Park | Park | 24 | Prince George's | 38 55 08 N | 076 52 19 W |
| Barn Cove | Bay | 2 | Charles | 38 26 36 N | 077 08 16 W |
| Barnaby Manor Elementary School | School | 79 | Prince George's | 38 49 02 N | 076 57 59 W |
| Barnaby Manor Oaks | Populated Place | 73 | Prince George's | 38 49 05 N | 076 58 04 W |
| Barnaby Run | Stream | | Prince George's | 38 49 01 N | 077 00 23 W |
| Barnaby Run Park | Park | 39 | Prince George's | 38 49 48 N | 076 58 43 W |
| Barnard Cemetery | Cemetery | 764 | Garrett | 39 29 06 N | 079 08 45 W |
| Barnes Airport | Airport | 244 | Howard | 39 19 58 N | 077 05 49 W |
| Barnes Corner | Populated Place | 125 | Cecil | 39 40 30 N | 076 03 56 W |
| Barnes Cove | Bay | -3 | Somerset | 38 00 04 N | 075 58 58 W |
| Barnes Cove | Bay | 4 | St. Mary's | 38 09 32 N | 076 28 13 W |
| Barnes Landing | Populated Place | 0 | Dorchester | 38 23 25 N | 076 06 18 W |
| Barnes Landing Creek | Stream | | Somerset | 38 00 07 N | 075 59 28 W |
| Barnesville | Populated Place | 169 | Montgomery | 39 13 14 N | 077 22 39 W |
| Barnesville Baptist Church | Church | 171 | Montgomery | 39 13 16 N | 077 22 28 W |
| Barnesville School | School | 166 | Montgomery | 39 12 56 N | 077 21 30 W |
| Barnesville Station | Locale | 148 | Montgomery | 39 12 33 N | 077 22 55 W |
| Barnett | Populated Place | 148 | Frederick | 39 24 18 N | 077 13 20 W |
| Baron Pond Dam | Dam | 4 | Wicomico | 38 27 43 N | 075 44 05 W |
| Baronet Woods | Populated Place | 179 | Baltimore | 39 25 34 N | 076 44 39 W |
| Barr-Buchanan Center | Building | | Anne Arundel | 38 58 55 N | 076 29 24 W |
| Barre Circle Historic District | Park | 13 | Baltimore (city) | 39 17 05 N | 076 37 39 W |
| Barrelville | Populated Place | 307 | Allegany | 39 42 06 N | 078 50 33 W |
| Barrelville Presbyterian Church | Church | 300 | Allegany | 39 42 06 N | 078 50 34 W |
| Barren Creek | Stream | | Wicomico | 38 28 09 N | 075 48 37 W |
| Barren Creek Mill (historical) | Locale | 6 | Wicomico | 38 27 45 N | 075 44 06 W |
| Barren Creek Point | Cape | 0 | Wicomico | 38 28 00 N | 075 49 06 W |
| Barren Creek Presbyterian Church | Church | 7 | Wicomico | 38 27 33 N | 075 45 28 W |
| Barren Creek Springs Cemetery | Cemetery | 7 | Wicomico | 38 27 28 N | 075 45 24 W |
| Barren Island | Island | 4 | Dorchester | 38 19 35 N | 076 15 31 W |
| Barren Island Gap | Bay | 3 | Dorchester | 38 21 26 N | 076 16 08 W |
| Barren Island Point | Cape | 2 | Dorchester | 38 20 44 N | 076 15 49 W |
| Barren Island Thorofare | Bay | 0 | Dorchester | 38 20 08 N | 076 15 35 W |
| Barren Point | Cape | -13 | Baltimore | 39 18 26 N | 076 25 06 W |
| Barren Point | Cape | 0 | Harford | 39 22 17 N | 076 16 37 W |
| Barren Point | Cape | 2 | Talbot | 38 44 12 N | 076 07 42 W |
| Barren Pond | Reservoir | 9 | Wicomico | 38 27 50 N | 075 44 02 W |
| Barrett | Populated Place | 209 | Carroll | 39 24 27 N | 077 00 59 W |
| Barrett Cove | Bay | -5 | Talbot | 38 44 45 N | 076 12 38 W |