Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Anchorage Park Mobile Home Park | Populated Place | 2 | Calvert | 38 30 31 N | 076 39 44 W |
| Ancient Oak | Populated Place | 121 | Montgomery | 39 06 42 N | 077 16 14 W |
| Ancient Oak North | Populated Place | 124 | Montgomery | 39 07 22 N | 077 16 20 W |
| Ancient Oak West | Populated Place | 131 | Montgomery | 39 06 29 N | 077 16 42 W |
| Ancient Oaks | Populated Place | 4 | St. Mary's | 38 10 12 N | 076 24 44 W |
| Anderson Creek | Bay | 0 | Somerset | 37 59 55 N | 075 59 14 W |
| Anderson Farm Airport | Airport | 1 | Somerset | 38 02 55 N | 075 42 13 W |
| Anderson Mill Pond | Reservoir | 2 | Wicomico | 38 21 20 N | 075 40 27 W |
| Anderson Park | Park | 123 | Montgomery | 39 05 48 N | 077 09 48 W |
| Andersons Corner | Populated Place | 41 | Anne Arundel | 39 03 25 N | 076 39 19 W |
| Andersontown | Populated Place | 16 | Caroline | 38 50 16 N | 075 46 60 W |
| Andertons Point | Cape | 2 | Dorchester | 38 38 07 N | 075 57 39 W |
| Andora | Populated Place | 112 | Cecil | 39 41 05 N | 075 51 39 W |
| Andora Acres | Populated Place | 105 | Cecil | 39 41 09 N | 075 51 55 W |
| Andorick Acres | Populated Place | 53 | Anne Arundel | 39 08 06 N | 076 41 29 W |
| Andover Branch | Stream | | Queen Anne's | 39 15 24 N | 075 50 21 W |
| Andover Estates | Populated Place | 2 | St. Mary's | 38 10 07 N | 076 30 16 W |
| Andover Gardens | Cemetery | 54 | Anne Arundel | 39 11 49 N | 076 40 25 W |
| Andover High School | School | 57 | Anne Arundel | 39 11 45 N | 076 39 42 W |
| Andover Park | Park | 54 | Anne Arundel | 39 11 47 N | 076 39 59 W |
| Andover United Methodist Church | Church | 66 | Anne Arundel | 39 11 59 N | 076 40 55 W |
| Andrew Chapel United Methodist Church | Church | 67 | Baltimore (city) | 39 20 21 N | 076 33 06 W |
| Andrew Jackson Middle School | School | 82 | Prince George's | 38 50 27 N | 076 54 31 W |
| Andrew Small Male and Female Academy (historical) | School | 129 | Montgomery | 39 06 08 N | 077 17 06 W |
| Andrews | Populated Place | 0 | Dorchester | 38 21 24 N | 076 06 36 W |
| Andrews Branch | Stream | | Wicomico | 38 25 59 N | 075 33 17 W |
| Andrews Manor | Populated Place | 82 | Prince George's | 38 48 50 N | 076 53 53 W |
| Andrews Manor Shopping Center | Locale | 79 | Prince George's | 38 49 10 N | 076 53 30 W |
| Andrews School | School | 74 | Montgomery | 38 58 24 N | 077 00 23 W |
| Andys Point | Cape | 1 | Somerset | 37 58 14 N | 075 47 08 W |
| Angel Hill Cemetery | Cemetery | 29 | Harford | 39 33 19 N | 076 06 11 W |
| Angelica | Populated Place | 31 | Calvert | 38 35 07 N | 076 31 29 W |
| Angler Lake | Reservoir | 61 | Charles | 38 36 43 N | 076 56 29 W |
| Anglican Chapel (historical) | Church | 4 | St. Mary's | 38 16 22 N | 076 47 38 W |
| Annandale | Populated Place | 192 | Howard | 39 19 24 N | 076 58 29 W |
| Annapolis | Populated Place | 12 | Anne Arundel | 38 58 42 N | 076 29 32 W |
| Annapolis Branch Public Library of Annapolis and Anne Arundel County | Building | 15 | Anne Arundel | 38 58 43 N | 076 30 59 W |
| Annapolis Business Park | Locale | 28 | Anne Arundel | 38 59 35 N | 076 33 01 W |
| Annapolis Business Plaza | Locale | 15 | Anne Arundel | 38 59 15 N | 076 31 45 W |
| Annapolis Cemetery | Cemetery | 29 | Anne Arundel | 38 59 07 N | 076 32 56 W |
| Annapolis City Dock | Locale | | Anne Arundel | 38 58 35 N | 076 29 05 W |
| Annapolis City Hall | Building | | Anne Arundel | 38 58 35 N | 076 29 22 W |
| Annapolis City Hall Annex | Building | | Anne Arundel | 38 58 35 N | 076 29 24 W |
| Annapolis Commerce Park | Locale | 28 | Anne Arundel | 38 59 38 N | 076 32 39 W |
| Annapolis Cove | Populated Place | 4 | Anne Arundel | 38 56 22 N | 076 27 38 W |
| Annapolis Elementary School | School | 5 | Anne Arundel | 38 58 35 N | 076 29 17 W |
| Annapolis Exchange Business Park | Locale | | Anne Arundel | 38 59 11 N | 076 32 20 W |
| Annapolis Fashion Festival Shopping Center | Locale | 27 | Anne Arundel | 38 59 28 N | 076 32 46 W |
| Annapolis Ferry (historical) | Crossing | 0 | Anne Arundel | 38 59 20 N | 076 28 54 W |
| Annapolis Fire Company 35 | Building | | Anne Arundel | 38 58 17 N | 076 31 21 W |
| Annapolis Golf Course | Locale | 13 | Anne Arundel | 38 57 06 N | 076 28 28 W |
| Annapolis Harbor | Harbor | 0 | Anne Arundel | 38 58 33 N | 076 28 54 W |
| Annapolis Harbor Center Shopping Center | Locale | | Anne Arundel | 38 58 30 N | 076 32 39 W |
| Annapolis Heliport | Airport | 32 | Anne Arundel | 38 59 09 N | 076 33 51 W |
| Annapolis Junction Post Office | Post Office | 61 | Howard | 39 07 43 N | 076 47 29 W |
| Annapolis Junior High School (historical) | School | 8 | Anne Arundel | 38 58 19 N | 076 30 19 W |
| Annapolis Landing | Populated Place | 17 | Anne Arundel | 38 56 24 N | 076 34 59 W |
| Annapolis Mall Shopping Center | Locale | 25 | Anne Arundel | 38 59 15 N | 076 32 49 W |
| Annapolis Middle School | School | 12 | Anne Arundel | 38 57 30 N | 076 30 41 W |
| Annapolis National Cemetery | Cemetery | 9 | Anne Arundel | 38 58 38 N | 076 30 18 W |
| Annapolis Neck Cemetery | Cemetery | 20 | Anne Arundel | 38 57 08 N | 076 30 05 W |
| Annapolis Opera House (historical) | Building | 6 | Anne Arundel | 38 58 50 N | 076 29 18 W |
| Annapolis Overlook (subdivision) | Populated Place | 12 | Anne Arundel | 38 57 13 N | 076 30 19 W |
| Annapolis Plaza Shopping Center | Locale | 26 | Anne Arundel | 38 59 37 N | 076 32 29 W |
| Annapolis Police Department | Building | | Anne Arundel | 39 38 30 N | 076 51 04 W |
| Annapolis Post Office | Post Office | 12 | Anne Arundel | 38 58 44 N | 076 29 36 W |
| Annapolis Reservoir Dam | Dam | 7 | Baltimore | 38 59 18 N | 076 33 59 W |
| Annapolis Residence Hall | Building | 590 | Allegany | 39 39 07 N | 078 56 06 W |
| Annapolis Road Middle School | School | 25 | Prince George's | 38 56 19 N | 076 55 30 W |
| Annapolis Roads | Bay | 4 | Anne Arundel | 38 57 55 N | 076 27 23 W |
| Annapolis Roads | Populated Place | 13 | Anne Arundel | 38 57 04 N | 076 28 30 W |
| Annapolis Roads Club | Locale | 10 | Anne Arundel | 38 57 06 N | 076 28 04 W |
| Annapolis Rock | Populated Place | 164 | Howard | 39 16 54 N | 077 07 54 W |
| Annapolis Rock | Summit | 180 | Howard | 39 16 47 N | 077 07 54 W |
| Annapolis Rock | Summit | 538 | Washington | 39 33 39 N | 077 35 59 W |
| Annapolis Sailing School | School | 0 | Anne Arundel | 38 58 01 N | 076 28 31 W |
| Annapolis Science Center | Locale | 20 | Anne Arundel | 38 58 36 N | 076 32 59 W |
| Annapolis Senior High School | School | 23 | Anne Arundel | 38 58 28 N | 076 33 57 W |
| Annapolis Summer Garden Theater | Building | | Anne Arundel | 38 58 36 N | 076 29 15 W |
| Annapolis United Church of Christ | Church | 16 | Anne Arundel | 38 58 09 N | 076 32 37 W |
| Annapolis Waterworks | Locale | 41 | Anne Arundel | 38 59 13 N | 076 33 49 W |
| Annapolis Yacht Basin | Harbor | | Anne Arundel | 38 58 28 N | 076 29 06 W |
| Annapolis Yacht Club | Locale | 0 | Anne Arundel | 38 58 27 N | 076 29 06 W |
| Anne Arundel Academy | School | 32 | Anne Arundel | 38 54 09 N | 076 38 31 W |
| Anne Arundel Community College | School | 31 | Anne Arundel | 39 02 58 N | 076 30 44 W |
| Anne Arundel County | Civil | 25 | Anne Arundel | 39 00 00 N | 076 36 59 W |
| Anne Arundel County Courthouse | Building | 10 | Anne Arundel | 38 58 38 N | 076 29 36 W |
| Anne Arundel County Detention Center | Building | 20 | Anne Arundel | 38 59 21 N | 076 31 46 W |
| Anne Arundel County Fire Department | Building | | Anne Arundel | 39 13 16 N | 076 56 21 W |
| Anne Arundel County Fire Department 31 | Building | | Anne Arundel | 39 22 39 N | 077 01 40 W |
| Anne Arundel County Learning Center | School | 5 | Anne Arundel | 38 58 53 N | 076 30 01 W |
| Anne Arundel County Police | Building | | Anne Arundel | 39 10 29 N | 077 03 06 W |
| Anne Arundel Free School | School | 27 | Anne Arundel | 38 58 43 N | 076 37 36 W |
| Anne Arundel General Hospital | Hospital | 6 | Anne Arundel | 38 58 35 N | 076 29 39 W |
| Anne Arundel Medical Plaza | Hospital | 25 | Anne Arundel | 38 59 23 N | 076 32 02 W |
| Anne Arundel Police Department Eastern District | Building | | Anne Arundel | 39 12 39 N | 076 53 07 W |
| Anne Arundel Police Department Northern District | Building | | Anne Arundel | 39 21 32 N | 077 04 34 W |
| Anne Arundel Police Department Southern District | Building | | Anne Arundel | 39 32 58 N | 076 57 02 W |
| Anne Arundel Police Department Western District | Building | | Anne Arundel | 39 10 03 N | 077 09 49 W |
| Anne Green Spring Branch | Stream | | Anne Arundel | 38 59 18 N | 076 37 30 W |
| Annemessex Creek | Stream | | Somerset | 38 05 18 N | 075 43 48 W |
| Annemessix Towne (historical) | Populated Place | 1 | Somerset | 38 02 20 N | 075 46 44 W |
| Annes Delight | Populated Place | 31 | Harford | 39 25 37 N | 076 20 50 W |
| Anneslie | Populated Place | 131 | Baltimore | 39 22 33 N | 076 36 16 W |
| Anneslie Shopping Center | Locale | | Baltimore | 39 22 22 N | 076 36 34 W |
| Annetta Gardens | Populated Place | 102 | Howard | 39 11 18 N | 076 48 10 W |
| Annie Hall | Populated Place | 6 | Calvert | 38 40 32 N | 076 34 15 W |
| Another Place | Populated Place | 34 | Calvert | 38 26 30 N | 076 31 24 W |
| Anscroft | Populated Place | 136 | Montgomery | 39 07 31 N | 077 03 14 W |
| Ant Bar | Locale | 0 | Dorchester | 38 29 22 N | 076 17 09 W |