Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Damascus | Populated Place | 264 | Montgomery | 39 17 18 N | 077 12 14 W |
| Damascus Church of God | Church | 227 | Montgomery | 39 19 48 N | 077 11 28 W |
| Damascus Elementary School | School | 264 | Montgomery | 39 17 07 N | 077 12 39 W |
| Damascus Gardens | Populated Place | 240 | Montgomery | 39 16 56 N | 077 12 14 W |
| Damascus High School | School | 256 | Montgomery | 39 16 55 N | 077 12 37 W |
| Damascus Hill | Populated Place | 208 | Montgomery | 39 15 40 N | 077 12 05 W |
| Damascus Library | Building | 259 | Montgomery | 39 17 14 N | 077 12 01 W |
| Damascus Manor | Populated Place | 245 | Montgomery | 39 16 47 N | 077 12 40 W |
| Damascus Park | Park | 243 | Montgomery | 39 17 17 N | 077 12 29 W |
| Damascus Post Office | Post Office | 260 | Montgomery | 39 17 15 N | 077 12 13 W |
| Damascus Seventh Day Adventist Church | Church | 262 | Montgomery | 39 17 11 N | 077 11 55 W |
| Damascus Shopping Center | Locale | 251 | Montgomery | 39 17 22 N | 077 12 09 W |
| Damascus Terrace | Populated Place | 242 | Montgomery | 39 16 56 N | 077 12 01 W |
| Damascus United Methodist Church | Church | 261 | Montgomery | 39 17 05 N | 077 12 01 W |
| Damascus Valley Estates | Populated Place | 236 | Montgomery | 39 17 10 N | 077 10 57 W |
| Damascus Valley Park | Populated Place | 234 | Montgomery | 39 16 43 N | 077 12 18 W |
| Damascus View | Populated Place | 248 | Montgomery | 39 16 45 N | 077 12 49 W |
| Damascus Volunteer Fire Department Fire Station 13 | Building | | Montgomery | 39 29 27 N | 077 20 48 W |
| Damascus Wesleyan Church | Church | 236 | Montgomery | 39 16 34 N | 077 12 15 W |
| Damazo Pond | Reservoir | 161 | Frederick | 39 21 42 N | 077 38 29 W |
| Damazo Pond Dam | Dam | 161 | Frederick | 39 21 42 N | 077 38 29 W |
| Dameron | Populated Place | 27 | St. Mary's | 38 09 08 N | 076 22 10 W |
| Dameron House | Building | 7 | St. Mary's | 38 09 43 N | 076 21 05 W |
| Dameron Post Office | Post Office | 27 | St. Mary's | 38 09 09 N | 076 22 12 W |
| Dames Quarter | Populated Place | 1 | Somerset | 38 11 19 N | 075 53 57 W |
| Dames Quarter Creek | Bay | -3 | Somerset | 38 11 39 N | 075 52 53 W |
| Dames Quarter Marsh | Swamp | 1 | Somerset | 38 10 38 N | 075 53 24 W |
| Dames Quarter Post Office | Post Office | 1 | Somerset | 38 11 17 N | 075 53 51 W |
| Damiels Dam | Dam | 75 | Baltimore | 39 18 54 N | 076 49 11 W |
| Danac Technical Industrial Park | Locale | 151 | Montgomery | 39 06 50 N | 077 11 04 W |
| Daniel | Populated Place | 237 | Carroll | 39 26 06 N | 077 03 13 W |
| Daniel A Payne Public School (historical) | School | 5 | Baltimore (city) | 39 16 37 N | 076 37 11 W |
| Daniel Crouse Memorial Park | Park | 4 | Caroline | 38 53 15 N | 075 50 11 W |
| Daniels | Populated Place | 76 | Baltimore | 39 19 00 N | 076 48 59 W |
| Daniels Park | Populated Place | 33 | Prince George's | 39 00 23 N | 076 55 30 W |
| Dans | Populated Place | 0 | Cecil | 39 31 58 N | 075 49 39 W |
| Dans Mountain | Summit | 873 | Allegany | 39 34 54 N | 078 53 50 W |
| Dans Mountain State Park | Park | 677 | Allegany | 39 33 25 N | 078 57 13 W |
| Dans Mountain Wildlife Management Area | Park | 566 | Allegany | 39 31 48 N | 078 56 19 W |
| Dans Rock | Summit | 864 | Allegany | 39 34 53 N | 078 53 50 W |
| Danville | Populated Place | 336 | Allegany | 39 30 20 N | 078 55 41 W |
| Danville | Populated Place | 68 | Prince George's | 38 41 07 N | 076 55 18 W |
| Danville Square Shopping Center | Locale | 12 | Baltimore | 39 16 39 N | 076 30 11 W |
| Danwood | Populated Place | 14 | Wicomico | 38 25 35 N | 075 33 15 W |
| Danza Village | Populated Place | 39 | Anne Arundel | 39 08 00 N | 076 39 59 W |
| Dar | Populated Place | 248 | Baltimore | 39 41 40 N | 076 42 01 W |
| Darby Delight | Populated Place | 170 | Frederick | 39 24 50 N | 077 12 55 W |
| Darby-Lux | Populated Place | 152 | Frederick | 39 25 43 N | 077 15 08 W |
| Dares (historical) | Populated Place | 42 | Calvert | 38 33 31 N | 076 32 24 W |
| Dares Beach | Populated Place | 13 | Calvert | 38 33 42 N | 076 30 56 W |
| Dares Wharf Post Office (historical) | Post Office | 35 | Calvert | 38 30 30 N | 076 32 29 W |
| Dargan | Populated Place | 165 | Washington | 39 22 38 N | 077 43 59 W |
| Dargan Bend | Cape | 89 | Washington | 39 22 47 N | 077 44 58 W |
| Dargan Bend Picnic Area | Locale | 81 | Washington | 39 21 50 N | 077 44 27 W |
| Dargan Quarry | Mine | 92 | Washington | 39 22 10 N | 077 44 35 W |
| Darinton (historical) | Populated Place | 3 | Baltimore | 39 12 22 N | 076 29 29 W |
| Dark Branch | Stream | | Montgomery | 39 16 34 N | 077 18 27 W |
| Dark Head Creek | Stream | | Baltimore | 39 19 01 N | 076 25 21 W |
| Darleigh Manor | Populated Place | 42 | Baltimore | 39 23 40 N | 076 28 20 W |
| Darlington | Populated Place | 99 | Harford | 39 38 21 N | 076 12 10 W |
| Darlington Cemetery | Cemetery | 110 | Harford | 39 38 22 N | 076 11 28 W |
| Darlington Elementary School | School | 100 | Harford | 39 38 13 N | 076 12 04 W |
| Darlington Family Reading Center | Building | 98 | Harford | 39 38 35 N | 076 12 14 W |
| Darlington Post Office | Post Office | 98 | Harford | 39 38 25 N | 076 12 09 W |
| Darlington United Methodist Church | Church | 99 | Harford | 39 38 16 N | 076 12 03 W |
| Darlington Volunteer Fire Company | Building | | Harford | 40 05 18 N | 076 20 37 W |
| Darlington-Battle Swamp Historic District | Park | 101 | Harford | 39 38 12 N | 076 12 09 W |
| Darmands Creek | Bay | 0 | Talbot | 38 47 33 N | 076 11 13 W |
| Darnall | Populated Place | 45 | Anne Arundel | 38 47 26 N | 076 38 18 W |
| Darnestown | Populated Place | 125 | Montgomery | 39 06 12 N | 077 17 27 W |
| Darnestown Elementary School | School | 129 | Montgomery | 39 06 08 N | 077 17 06 W |
| Darnestown Hills | Populated Place | 105 | Montgomery | 39 05 45 N | 077 16 39 W |
| Darnestown Knolls | Populated Place | 120 | Montgomery | 39 05 57 N | 077 17 29 W |
| Darnestown United Presbyterian Cemetery | Cemetery | 133 | Montgomery | 39 06 04 N | 077 17 09 W |
| Darnestown United Presbyterian Church | Church | 125 | Montgomery | 39 06 11 N | 077 17 10 W |
| Darryl Gardens | Populated Place | 45 | Baltimore | 39 24 36 N | 076 24 20 W |
| Dasheills Point | Cape | 0 | Wicomico | 38 19 44 N | 075 52 33 W |
| Dasher Green | Populated Place | 98 | Howard | 39 11 25 N | 076 50 58 W |
| Dasher Green Village Shopping Center | Locale | 114 | Howard | 39 11 34 N | 076 50 26 W |
| Daugherty Creek | Bay | 1 | Somerset | 38 00 45 N | 075 50 53 W |
| Daugherty Creek Canal | Canal | 1 | Somerset | 38 00 45 N | 075 50 53 W |
| Daugherty Town | Populated Place | 1 | Somerset | 37 59 12 N | 075 51 04 W |
| Daves Hill | Summit | 19 | Kent | 39 20 00 N | 075 54 56 W |
| David Memorial Baptist Church | Church | 36 | Baltimore (city) | 39 18 26 N | 076 34 58 W |
| David Scul Park | Park | 122 | Montgomery | 39 05 40 N | 077 08 00 W |
| David Taylor Model Basin | Basin | 39 | Montgomery | 38 58 26 N | 077 11 29 W |
| David W Force Park | Park | 126 | Howard | 39 17 29 N | 076 52 20 W |
| Davids Run | Stream | | Anne Arundel | 39 01 38 N | 076 34 21 W |
| Davidsonville | Populated Place | 54 | Anne Arundel | 38 55 22 N | 076 37 42 W |
| Davidsonville Branch | Stream | | Anne Arundel | 38 53 50 N | 076 40 27 W |
| Davidsonville Elementary School | School | 43 | Anne Arundel | 38 55 07 N | 076 38 21 W |
| Davidsonville Farmettes | Populated Place | 50 | Anne Arundel | 38 58 22 N | 076 40 02 W |
| Davidsonville Gardens | Populated Place | 15 | Anne Arundel | 38 53 07 N | 076 39 39 W |
| Davidsonville Park | Park | 48 | Anne Arundel | 38 55 08 N | 076 38 12 W |
| Davidsonville Post Office | Post Office | 54 | Anne Arundel | 38 55 22 N | 076 37 43 W |
| Davidsonville United Methodist Church | Church | 56 | Anne Arundel | 38 55 20 N | 076 37 51 W |
| Davidsonville Woods | Populated Place | 25 | Anne Arundel | 38 54 35 N | 076 39 47 W |
| Davies Memorial Unitarian Church | Church | 76 | Prince George's | 38 47 19 N | 076 55 30 W |
| Davis | Populated Place | 250 | Frederick | 39 20 44 N | 077 11 49 W |
| Davis (historical) | Populated Place | 89 | Howard | 39 19 10 N | 076 51 21 W |
| Davis Airport | Airport | 191 | Montgomery | 39 14 40 N | 077 08 55 W |
| Davis Branch | Stream | | Frederick | 39 22 14 N | 077 16 13 W |
| Davis Branch | Stream | | Howard | 39 19 12 N | 076 51 18 W |
| Davis Branch | Stream | | Wicomico | 38 16 57 N | 075 23 08 W |
| Davis Church | Church | 231 | Allegany | 39 36 05 N | 078 43 57 W |
| Davis Creek | Stream | | Dorchester | 38 28 18 N | 076 17 31 W |
| Davis Creek | Stream | | Kent | 39 07 07 N | 076 10 20 W |
| Davis Ditch | Canal | 10 | Wicomico | 38 25 42 N | 075 20 44 W |
| Davis Industrial Park | Locale | 60 | Howard | 39 06 36 N | 076 50 04 W |
| Davis Library | Building | 243 | Carroll | 39 34 20 N | 076 59 33 W |