Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| German Baptist Cemetery | Cemetery | 172 | Frederick | 39 33 24 N | 077 11 50 W |
| German Baptist Church | Church | 173 | Frederick | 39 33 23 N | 077 11 50 W |
| German Branch Bridge | Bridge | 12 | Queen Anne's | 39 00 33 N | 075 56 14 W |
| German Brethren Church | Church | 166 | Frederick | 39 21 56 N | 077 16 11 W |
| German Chapel Woods | Populated Place | 35 | Calvert | 38 31 03 N | 076 35 28 W |
| German Evangelical Lutheran Cemetery | Cemetery | 58 | Baltimore | 39 15 55 N | 076 40 58 W |
| German House | Building | | Frederick | 39 42 34 N | 077 42 08 W |
| German Lutheran Cemetery | Cemetery | 74 | Baltimore (city) | 39 20 33 N | 076 34 27 W |
| Germans Mill (historical) | Locale | 213 | Carroll | 39 39 05 N | 076 58 59 W |
| Germantown | Populated Place | 11 | Anne Arundel | 38 53 33 N | 076 31 23 W |
| Germantown | Populated Place | 81 | Baltimore | 39 25 00 N | 076 27 31 W |
| Germantown | Populated Place | 135 | Montgomery | 39 10 23 N | 077 16 18 W |
| Germantown | Populated Place | 9 | Worcester | 38 18 30 N | 075 12 35 W |
| Germantown Baptist Church | Church | 127 | Montgomery | 39 08 43 N | 077 17 23 W |
| Germantown Bethel Cemetery | Cemetery | 501 | Frederick | 39 42 00 N | 077 29 10 W |
| Germantown Church | Church | 499 | Frederick | 39 41 57 N | 077 29 10 W |
| Germantown Commons Shopping Center | Locale | 155 | Montgomery | 39 10 48 N | 077 16 15 W |
| Germantown Elementary School | School | 146 | Montgomery | 39 10 11 N | 077 16 33 W |
| Germantown Estates | Populated Place | 127 | Montgomery | 39 10 15 N | 077 17 28 W |
| Germantown Estates Park | Park | 134 | Montgomery | 39 10 13 N | 077 17 31 W |
| Germantown Golf Course | Locale | 138 | Montgomery | 39 11 46 N | 077 16 07 W |
| Germantown Library | Building | 143 | Montgomery | 39 10 42 N | 077 16 04 W |
| Germantown Park | Park | 138 | Montgomery | 39 11 03 N | 077 14 32 W |
| Germantown Park | Populated Place | 118 | Montgomery | 39 09 42 N | 077 15 54 W |
| Germantown Police Department District 5 | Building | | Montgomery | 39 18 45 N | 077 26 27 W |
| Germantown Post Office | Post Office | 154 | Montgomery | 39 10 47 N | 077 16 16 W |
| Germantown Railroad Station | Building | 130 | Montgomery | 39 10 23 N | 077 16 13 W |
| Germantown School | School | 16 | Anne Arundel | 38 58 52 N | 076 30 47 W |
| Germantown Square Shopping Center | Locale | 136 | Montgomery | 39 10 15 N | 077 15 40 W |
| Germantown Technical Center | Locale | 166 | Montgomery | 39 11 09 N | 077 15 09 W |
| Germantown View | Populated Place | 134 | Montgomery | 39 10 02 N | 077 16 13 W |
| Germantown Volunteer Fire Department Fire Station 29 | Building | | Montgomery | 39 18 51 N | 077 26 33 W |
| Gethsemane Baptist Church | Church | 73 | Baltimore (city) | 39 18 46 N | 076 38 35 W |
| Gethsemane Baptist Church | Church | 197 | Howard | 39 15 52 N | 076 59 02 W |
| Gethsemane Baptist Church | Church | 74 | Howard | 39 06 55 N | 076 51 20 W |
| Gethsemane Baptist Church | Church | 179 | Howard | 39 16 43 N | 077 00 18 W |
| Gethsemane Church | Church | 0 | Dorchester | 38 30 27 N | 076 13 14 W |
| Gethsemane Evangelical Lutheran Church | Church | 67 | Baltimore | 39 15 49 N | 076 42 04 W |
| Gibbons Church | Church | 68 | Prince George's | 38 41 46 N | 076 48 33 W |
| Gibbons Hall | Building | 112 | Baltimore (city) | 39 21 05 N | 076 37 16 W |
| Gibbs Pond | Lake | -3 | Worcester | 38 14 50 N | 075 11 06 W |
| Gibralter Acres | Populated Place | 131 | Frederick | 39 18 12 N | 077 19 53 W |
| Gibson | Populated Place | 156 | Harford | 39 35 35 N | 076 19 26 W |
| Gibson Grove Church | Church | 44 | Montgomery | 38 59 04 N | 077 09 38 W |
| Gibson Island | Island | 13 | Anne Arundel | 39 04 41 N | 076 25 55 W |
| Gibson Island | Populated Place | 7 | Anne Arundel | 39 04 27 N | 076 25 26 W |
| Gibson Island Beach | Beach | 2 | Anne Arundel | 39 05 03 N | 076 25 21 W |
| Gibson Island Country School | School | 3 | Anne Arundel | 39 05 15 N | 076 25 31 W |
| Gibson Island Golf Course | Locale | 9 | Anne Arundel | 39 04 46 N | 076 26 04 W |
| Gibson Island Post Office | Post Office | 11 | Anne Arundel | 39 04 37 N | 076 25 29 W |
| Gibson Island Yacht Club | Locale | -2 | Anne Arundel | 39 05 12 N | 076 25 29 W |
| Gibson Manor | Populated Place | 143 | Harford | 39 35 38 N | 076 19 04 W |
| Gibson Meadows | Populated Place | 43 | Calvert | 38 36 23 N | 076 37 39 W |
| Gilbert Acres | Populated Place | 48 | Charles | 38 26 40 N | 076 54 27 W |
| Gilbert Creek | Stream | | Charles | 38 29 06 N | 076 50 35 W |
| Gilbert Pond | Reservoir | 36 | Charles | 38 30 39 N | 076 48 19 W |
| Gilbert Run Lake | Reservoir | 29 | Charles | 38 29 10 N | 076 51 16 W |
| Gilbert Run Regional Park | Park | 23 | Charles | 38 29 05 N | 076 51 14 W |
| Gilbert Run Reservoir Site Number 1 | Reservoir | 16 | Charles | 38 27 30 N | 076 51 29 W |
| Gilbert Swamp Run | Stream | | Charles | 38 25 06 N | 076 53 54 W |
| Gilboa | Populated Place | 213 | Carroll | 39 23 19 N | 077 07 25 W |
| Gill Estates | Populated Place | 177 | Carroll | 39 27 38 N | 076 54 42 W |
| Gill Gymnasium | Building | 257 | Carroll | 39 35 08 N | 077 00 02 W |
| Gillcrest | Populated Place | 155 | Baltimore | 39 37 15 N | 076 39 41 W |
| Gillens Grove | Populated Place | 40 | St. Mary's | 38 21 58 N | 076 36 19 W |
| Gillespie Mobile Home Court | Populated Place | 62 | Charles | 38 39 06 N | 076 53 04 W |
| Gillians Knob | Summit | 479 | Washington | 39 41 06 N | 077 57 02 W |
| Gillis Falls | Stream | | Carroll | 39 21 42 N | 077 03 53 W |
| Gillis Falls Estates | Populated Place | 224 | Carroll | 39 25 20 N | 077 04 48 W |
| Gillis Memorial Community Church | Church | 127 | Baltimore (city) | 39 20 06 N | 076 39 49 W |
| Gillis Memorial Community Church | Church | 37 | Baltimore (city) | 39 17 36 N | 076 38 24 W |
| Gills Church | Church | 214 | Baltimore | 39 27 20 N | 076 45 56 W |
| Gilman Country School | School | 122 | Baltimore (city) | 39 21 37 N | 076 38 03 W |
| Gilmor Elementary School | School | 54 | Baltimore (city) | 39 18 01 N | 076 38 37 W |
| Gilmor Homes | Populated Place | 60 | Baltimore (city) | 39 18 18 N | 076 38 39 W |
| Gilmore | Populated Place | 512 | Allegany | 39 34 58 N | 078 57 00 W |
| Gilnock Hall | Populated Place | 6 | Talbot | 38 43 57 N | 076 05 12 W |
| Gilpin | Populated Place | 238 | Allegany | 39 41 48 N | 078 33 24 W |
| Gilpin Cemetery | Cemetery | 16 | Cecil | 39 37 23 N | 075 49 48 W |
| Gilpin Farms | Populated Place | 12 | Cecil | 39 37 35 N | 075 49 29 W |
| Gilpin Manor (subdivision) | Populated Place | 16 | Cecil | 39 37 15 N | 075 49 60 W |
| Gilpin Manor Elementary School | School | 15 | Cecil | 39 37 09 N | 075 50 02 W |
| Gilpin Manor Memorial Park Cemetery | Cemetery | 15 | Cecil | 39 37 35 N | 075 49 18 W |
| Gilpin Manor School | School | 15 | Cecil | 39 37 10 N | 075 50 02 W |
| Gilpin Point | Cape | 5 | Caroline | 38 48 34 N | 075 53 54 W |
| Gilpins Covered Bridge | Bridge | 93 | Cecil | 39 38 55 N | 075 57 22 W |
| Gilpins Falls | Falls | 64 | Cecil | 39 38 51 N | 075 57 08 W |
| Gilson Park | Park | 162 | Baltimore | 39 17 17 N | 076 45 14 W |
| Ginger Cove | Populated Place | 16 | Anne Arundel | 38 57 42 N | 076 33 33 W |
| Gingerville | Populated Place | 13 | Anne Arundel | 38 57 41 N | 076 33 02 W |
| Gingerville Creek | Bay | 2 | Anne Arundel | 38 57 14 N | 076 33 14 W |
| Gingerville Manor Estates | Populated Place | 18 | Anne Arundel | 38 58 06 N | 076 33 04 W |
| Gingerville Woods | Populated Place | 17 | Anne Arundel | 38 58 08 N | 076 33 23 W |
| Ginns Corner | Populated Place | 18 | Cecil | 39 23 26 N | 075 48 03 W |
| Ginseng Hill | Summit | 864 | Garrett | 39 33 42 N | 079 23 41 W |
| Ginseng Run | Stream | | Garrett | 39 33 54 N | 079 25 30 W |
| Girdletree | Populated Place | 11 | Worcester | 38 05 40 N | 075 23 51 W |
| Girdletree Post Office | Post Office | 11 | Worcester | 38 05 41 N | 075 23 51 W |
| Girdletree Volunteer Fire Company | Building | | Worcester | 38 09 18 N | 075 40 17 W |
| Gist | Populated Place | 221 | Carroll | 39 27 02 N | 076 59 23 W |
| Gist Cemetery | Cemetery | 242 | Carroll | 39 32 44 N | 076 59 58 W |
| Gittings | Populated Place | 95 | Baltimore | 39 28 10 N | 076 29 25 W |
| Givens Branch | Stream | | Wicomico | 38 20 00 N | 075 22 43 W |
| Givens Swamp | Swamp | 12 | Wicomico | 38 20 12 N | 075 23 07 W |
| Glad Tidings Assembly of God Church | Church | 5 | Worcester | 38 04 12 N | 075 33 48 W |
| Glad Tidings Tabernacle | Church | 64 | Prince George's | 39 06 27 N | 076 51 30 W |
| Gladden Branch | Stream | | Harford | 39 38 17 N | 076 24 43 W |
| Glade Cemetery | Cemetery | 93 | Frederick | 39 29 43 N | 077 21 05 W |
| Glade Church | Church | 839 | Garrett | 39 34 54 N | 079 16 41 W |
| Glade Creek | Populated Place | 109 | Frederick | 39 31 10 N | 077 20 36 W |