Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Emmanuel Church | Church | 125 | Harford | 39 32 22 N | 076 21 18 W |
| Emmanuel Church | Church | 119 | Howard | 39 08 22 N | 076 53 09 W |
| Emmanuel Church | Church | 7 | Wicomico | 38 27 38 N | 075 45 21 W |
| Emmanuel Church (historical) | Church | 17 | Kent | 39 16 33 N | 075 54 53 W |
| Emmanuel Episcopal Church | Church | 207 | Allegany | 39 39 02 N | 078 45 56 W |
| Emmanuel Episcopal Church | Church | 28 | Baltimore (city) | 39 17 57 N | 076 37 00 W |
| Emmanuel Episcopal Church | Church | 6 | Kent | 39 12 34 N | 076 03 57 W |
| Emmanuel Evangelical Lutheran Church | Church | 146 | Baltimore | 39 17 25 N | 076 43 59 W |
| Emmanuel Evangelical Lutheran Church | Church | 12 | Baltimore (city) | 39 17 31 N | 076 34 21 W |
| Emmanuel Lutheran Church | Church | 13 | Anne Arundel | 39 09 02 N | 076 31 19 W |
| Emmanuel Mission | Church | | Anne Arundel | 39 02 36 N | 076 40 53 W |
| Emmanuel Reformed Episcopal Church | Church | 54 | Baltimore (city) | 39 19 47 N | 076 34 52 W |
| Emmanuel United Church of Christ | Church | 5 | Dorchester | 38 33 42 N | 076 04 33 W |
| Emmanuel United Methodist Church | Church | 194 | Allegany | 39 37 38 N | 078 46 01 W |
| Emmanuel United Methodist Church | Church | 6 | Kent | 39 09 42 N | 076 06 12 W |
| Emmanuel United Methodist Church | Church | 175 | Washington | 39 37 47 N | 077 43 54 W |
| Emmerts Church | Church | 132 | Baltimore | 39 19 14 N | 076 45 33 W |
| Emmertsville | Populated Place | 147 | Washington | 39 32 14 N | 077 43 59 W |
| Emmit Ridge | Populated Place | 128 | Frederick | 39 42 24 N | 077 19 41 W |
| Emmitsburg | Populated Place | 133 | Frederick | 39 42 16 N | 077 19 37 W |
| Emmitsburg Ambulance Company Number 26 | Building | | Frederick | 40 10 05 N | 077 33 26 W |
| Emmitsburg Branch Library | Building | 128 | Frederick | 39 42 01 N | 077 19 45 W |
| Emmitsburg Cemetery | Cemetery | 150 | Frederick | 39 42 47 N | 077 18 32 W |
| Emmitsburg Community Park | Park | 130 | Frederick | 39 42 00 N | 077 20 01 W |
| Emmitsburg Dam | Dam | 274 | Frederick | 39 41 42 N | 077 23 17 W |
| Emmitsburg Elementary School | School | 129 | Frederick | 39 42 12 N | 077 19 47 W |
| Emmitsburg Junction | Populated Place | 135 | Frederick | 39 36 29 N | 077 19 13 W |
| Emmitsburg Library | Building | 128 | Frederick | 39 42 05 N | 077 19 45 W |
| Emmitsburg Post Office | Post Office | 128 | Frederick | 39 42 05 N | 077 19 41 W |
| Emmitsburg Reservoir | Reservoir | 231 | Frederick | 39 41 55 N | 077 22 48 W |
| Emmord Branch | Stream | | Harford | 39 23 22 N | 076 19 31 W |
| Emmorton | Populated Place | 98 | Harford | 39 29 43 N | 076 19 22 W |
| Emmorton Baptist Church | Church | 106 | Harford | 39 29 57 N | 076 19 36 W |
| Emmorton Business Park | Locale | 24 | Harford | 39 27 10 N | 076 18 42 W |
| Emmorton School | School | 93 | Harford | 39 29 35 N | 076 19 18 W |
| Emory Cemetery | Cemetery | 196 | Carroll | 39 31 50 N | 076 51 29 W |
| Emory Cemetery | Cemetery | 122 | Harford | 39 39 04 N | 076 20 11 W |
| Emory Chapel | Church | 32 | Charles | 38 25 46 N | 077 11 54 W |
| Emory Chapel Cemetery | Cemetery | 32 | Charles | 38 25 45 N | 077 11 53 W |
| Emory Church | Church | 201 | Carroll | 39 31 49 N | 076 51 26 W |
| Emory Church | Locale | 119 | Harford | 39 39 05 N | 076 20 08 W |
| Emory Creek | Bay | -3 | Queen Anne's | 39 04 58 N | 076 06 46 W |
| Emory Grove | Populated Place | 203 | Baltimore | 39 28 55 N | 076 49 00 W |
| Emory Grove | Populated Place | 163 | Montgomery | 39 08 55 N | 077 10 03 W |
| Emory Grove United Methodist Church | Church | 162 | Montgomery | 39 08 55 N | 077 10 06 W |
| Emory Landing | Locale | 2 | Queen Anne's | 39 05 03 N | 076 07 38 W |
| Emory United Methodist Church | Church | 60 | Howard | 39 16 03 N | 076 47 50 W |
| Emorygrove Post Office (historical) | Post Office | 203 | Baltimore | 39 28 55 N | 076 49 00 W |
| Employment Service Center | Building | 101 | Montgomery | 38 59 28 N | 077 01 26 W |
| Enchanted Forest Postal Store | Post Office | 113 | Howard | 39 16 51 N | 076 51 18 W |
| Enfield | Locale | 3 | St. Mary's | 38 14 25 N | 076 45 50 W |
| Enfield Medical Center | Hospital | 133 | Harford | 39 42 07 N | 076 22 11 W |
| Engine Company Number 41 | Building | | Anne Arundel | 39 27 18 N | 076 55 35 W |
| England Estates | Populated Place | 230 | Carroll | 39 37 19 N | 076 49 32 W |
| Englandtowne | Populated Place | 188 | Frederick | 39 20 27 N | 077 15 27 W |
| Englar Business Park | Locale | 231 | Carroll | 39 35 06 N | 076 59 04 W |
| Englars Mill | Populated Place | 162 | Carroll | 39 30 39 N | 077 07 35 W |
| Engle Mill | Populated Place | 654 | Garrett | 39 38 49 N | 079 17 11 W |
| Engleside Farm | Locale | 188 | Frederick | 39 21 19 N | 077 13 44 W |
| English Consul | Populated Place | 31 | Baltimore | 39 14 43 N | 076 38 25 W |
| English Consul Church | Church | 39 | Baltimore | 39 14 40 N | 076 38 34 W |
| English Consul Volunteer Firemens Association Station 37 | Building | | Baltimore | 39 14 17 N | 076 38 24 W |
| English Country Manor (subdivision) | Populated Place | 102 | Harford | 39 31 33 N | 076 21 53 W |
| English Evangelical Lutheran Church of the Messiah | Church | 11 | Baltimore (city) | 39 16 52 N | 076 37 51 W |
| English Manor | Populated Place | 120 | Montgomery | 39 05 16 N | 077 05 11 W |
| English Manor Elementary School (historical) | School | 122 | Montgomery | 39 05 29 N | 077 05 26 W |
| English Village | Populated Place | 102 | Montgomery | 38 59 17 N | 077 06 55 W |
| Ennalls (historical) | Populated Place | 10 | Dorchester | 38 36 02 N | 075 50 50 W |
| Ennalls Wharf | Locale | 0 | Dorchester | 38 36 20 N | 075 49 29 W |
| Ennis Aerodrome | Airport | 13 | Wicomico | 38 23 40 N | 075 33 27 W |
| Enon Baptist Church | Church | 38 | Baltimore (city) | 39 17 44 N | 076 38 02 W |
| Enon Baptist Church of Deliverance | Church | 1 | Somerset | 37 58 47 N | 075 51 12 W |
| Enterprise East Recreation Center | Park | 37 | Prince George's | 38 54 31 N | 076 47 42 W |
| Enterprise Estates Recreation Center | Park | 42 | Prince George's | 38 56 30 N | 076 48 35 W |
| Enterprise Golf Course | Locale | 41 | Prince George's | 38 55 49 N | 076 48 54 W |
| Enterprise Shopping Center | Locale | 50 | Prince George's | 38 57 51 N | 076 50 40 W |
| Environmental Center | Locale | 3 | Dorchester | 38 35 37 N | 076 07 54 W |
| Epiphany Cemetery | Cemetery | 80 | Prince George's | 38 50 53 N | 076 52 32 W |
| Epiphany Episcopal Church | Church | 53 | Anne Arundel | 39 05 14 N | 076 42 31 W |
| Epiphany Episcopal Church | Church | 81 | Prince George's | 38 50 50 N | 076 52 31 W |
| Epiphany Lutheran Church | Church | 59 | Baltimore (city) | 39 20 56 N | 076 32 04 W |
| Epiphany Lutheran Church | Church | 124 | Howard | 39 14 36 N | 076 49 46 W |
| Epiphany Lutheran Church | Church | 142 | Montgomery | 39 05 32 N | 076 56 48 W |
| Episcopal Chapel of the Holy Cross | Church | 12 | Worcester | 38 03 21 N | 075 24 58 W |
| Epping Farms | Populated Place | 31 | Anne Arundel | 39 00 42 N | 076 32 04 W |
| Epping Forest | Populated Place | 23 | Anne Arundel | 39 00 51 N | 076 31 54 W |
| Epping Forest Manor | Populated Place | 40 | Anne Arundel | 39 00 10 N | 076 33 10 W |
| Epworth Church | Church | 20 | Queen Anne's | 39 09 43 N | 075 46 42 W |
| Epworth Methodist Church | Church | 19 | Queen Anne's | 39 02 43 N | 076 03 60 W |
| Epworth United Methodist Church | Church | 129 | Baltimore | 39 28 35 N | 076 37 15 W |
| Epworth United Methodist Church | Church | 151 | Montgomery | 39 07 39 N | 077 11 08 W |
| Equestrian Estates | Populated Place | 232 | Carroll | 39 25 45 N | 077 00 39 W |
| Erdman Shopping Center | Locale | 56 | Baltimore (city) | 39 18 50 N | 076 34 11 W |
| Ernstville | Populated Place | 127 | Washington | 39 37 58 N | 078 01 36 W |
| Ervings Chapel (historical) | Church | 15 | Caroline | 39 00 39 N | 075 45 30 W |
| Esperanza Farm | Populated Place | 13 | St. Mary's | 38 18 13 N | 076 28 30 W |
| Esperanza House (historical) | Building | 7 | St. Mary's | 38 18 12 N | 076 28 21 W |
| Esperanza Pond | Lake | 0 | St. Mary's | 38 18 18 N | 076 28 08 W |
| Esperanza School | School | 31 | St. Mary's | 38 17 32 N | 076 29 21 W |
| Esperanza Shopping Center | Locale | 28 | St. Mary's | 38 17 26 N | 076 29 10 W |
| Essex | Populated Place | 12 | Baltimore | 39 18 33 N | 076 28 30 W |
| Essex Area Branch Baltimore County Public Library | Building | 11 | Baltimore | 39 18 52 N | 076 27 48 W |
| Essex Assembly of God Church | Church | 14 | Baltimore | 39 18 43 N | 076 28 34 W |
| Essex Branch Baltimore Post Office | Post Office | | Baltimore | 39 18 25 N | 076 28 35 W |
| Essex Farms Park | Park | 84 | Baltimore | 39 24 58 N | 076 38 47 W |
| Essex Fire Department Station 7 | Building | | Baltimore | 39 18 57 N | 076 28 10 W |
| Essex Health Center | Building | 13 | Baltimore | 39 18 37 N | 076 28 28 W |
| Essex Marina | Locale | 0 | Baltimore | 39 18 35 N | 076 25 56 W |
| Essex Ridge | Populated Place | 18 | Wicomico | 38 25 25 N | 075 30 17 W |
| Essex School | School | 12 | Baltimore | 39 18 34 N | 076 28 40 W |