Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Pack Horse Ford | Crossing | 85 | Washington | 39 25 46 N | 077 46 41 W |
| Pack Town | Populated Place | 18 | Anne Arundel | 39 05 12 N | 076 33 38 W |
| Paddy Biddle Cove | Bay | -5 | Cecil | 39 32 40 N | 075 51 27 W |
| Padonia | Populated Place | 113 | Baltimore | 39 27 21 N | 076 37 58 W |
| Padonia Corporate Center | Locale | | Baltimore | 39 27 12 N | 076 38 31 W |
| Padonia Elementary School | School | 120 | Baltimore | 39 27 42 N | 076 37 54 W |
| Padonia Park | Park | 150 | Baltimore | 39 26 05 N | 076 38 39 W |
| Padonia Park Shopping Center | Locale | 106 | Baltimore | 39 27 22 N | 076 38 15 W |
| Padonia Plaza Shopping Center | Locale | 115 | Baltimore | 39 27 20 N | 076 37 49 W |
| Padonia Village Shopping Center | Locale | | Baltimore | 39 27 20 N | 076 37 51 W |
| Pagan Point | Cape | 5 | St. Mary's | 38 11 26 N | 076 26 35 W |
| Page Pond | Lake | 0 | St. Mary's | 38 12 52 N | 076 23 10 W |
| Pages Swamp | Swamp | 43 | Charles | 38 35 12 N | 076 58 26 W |
| Pagetts Corner | Populated Place | 81 | Prince George's | 38 47 35 N | 076 55 42 W |
| Pagetts Corner Shopping Center | Locale | 80 | Prince George's | 38 47 33 N | 076 55 36 W |
| Paint Branch | Stream | | Prince George's | 38 58 43 N | 076 55 00 W |
| Paint Branch Elementary School | School | 16 | Prince George's | 38 59 12 N | 076 55 37 W |
| Paint Branch Farms | Populated Place | 139 | Montgomery | 39 04 50 N | 076 59 38 W |
| Paint Branch Golf Course | Locale | 25 | Prince George's | 39 00 20 N | 076 56 08 W |
| Paint Branch High School | School | 133 | Montgomery | 39 05 18 N | 076 56 50 W |
| Paint Branch Park | Park | 32 | Prince George's | 39 00 15 N | 076 56 00 W |
| Paint Branch School (historical) | School | 41 | Prince George's | 39 01 10 N | 076 56 22 W |
| Painters Hill (subdivision) | Populated Place | 8 | Anne Arundel | 38 57 40 N | 076 30 29 W |
| Paintrock Mill (historical) | Locale | 255 | Frederick | 39 32 29 N | 077 34 31 W |
| Palisades on the Severn | Populated Place | 6 | Anne Arundel | 39 02 34 N | 076 34 39 W |
| Palisades Park | Park | 2 | Harford | 39 29 14 N | 076 07 43 W |
| Palisades Park | Populated Place | 15 | Anne Arundel | 39 02 19 N | 076 34 24 W |
| Pall Mall Playground | Park | 128 | Baltimore (city) | 39 20 34 N | 076 39 57 W |
| Pallotti College | School | 34 | Prince George's | 38 58 14 N | 076 58 31 W |
| Pallotti High School | School | 63 | Prince George's | 39 06 27 N | 076 51 25 W |
| Pallottine Mission Home (historical) | Building | 100 | Howard | 39 10 24 N | 076 48 06 W |
| Palmer (historical) | Populated Place | 115 | Carroll | 39 41 51 N | 077 12 54 W |
| Palmer Cemetery | Cemetery | 12 | Wicomico | 38 19 03 N | 075 37 06 W |
| Palmer House | Locale | 6 | Harford | 39 26 32 N | 076 12 07 W |
| Palmer Park | Populated Place | 31 | Prince George's | 38 55 15 N | 076 52 18 W |
| Palmer Park School | School | 39 | Prince George's | 38 54 59 N | 076 51 45 W |
| Palmer State Park | Park | 98 | Harford | 39 36 59 N | 076 16 38 W |
| Palmers | Populated Place | 3 | St. Mary's | 38 14 01 N | 076 45 27 W |
| Palmers Corner | Populated Place | 77 | Prince George's | 38 46 32 N | 076 57 28 W |
| Palmetto | Populated Place | 8 | Somerset | 38 13 26 N | 075 38 45 W |
| Palmetto Cemetery | Cemetery | 8 | Somerset | 38 13 27 N | 075 38 47 W |
| Paloma Villa | Populated Place | 219 | Frederick | 39 22 46 N | 077 10 19 W |
| Panagopulos Farm Pond Dam | Dam | 9 | Cecil | 39 26 54 N | 075 56 17 W |
| Pancake Point | Cape | 2 | Calvert | 38 19 56 N | 076 27 05 W |
| Pangborn Boulevard Elementary School | School | 162 | Washington | 39 38 17 N | 077 42 02 W |
| Pangborn Hall | Building | 179 | Frederick | 39 40 59 N | 077 21 07 W |
| Pangborn Park | Park | 159 | Washington | 39 38 58 N | 077 42 01 W |
| Panguash Creek | Stream | | Dorchester | 38 30 07 N | 075 47 13 W |
| Panhandle Point | Cape | -3 | Kent | 39 00 49 N | 076 13 28 W |
| Panhandle Trail | Trail | 61 | Charles | 38 38 40 N | 076 50 10 W |
| Panorama Elementary School | School | 55 | Prince George's | 38 48 11 N | 076 59 34 W |
| Panorama Estates | Populated Place | 218 | Carroll | 39 35 20 N | 077 03 40 W |
| Panorama Special Education Center | School | 85 | Prince George's | 38 50 08 N | 076 58 10 W |
| Panter Church | Church | 750 | Garrett | 39 27 16 N | 079 15 27 W |
| Panther Branch | Stream | | Baltimore | 39 36 22 N | 076 38 29 W |
| Papas | Populated Place | 39 | Calvert | 38 22 57 N | 076 24 37 W |
| Paper Mill Village Shopping Center | Locale | | Baltimore | 39 31 11 N | 076 33 37 W |
| Papermill Pond | Lake | 2 | Talbot | 38 45 42 N | 076 04 56 W |
| Paradie Branch | Stream | | Worcester | 38 02 31 N | 075 27 31 W |
| Paradise | Populated Place | 110 | Baltimore | 39 16 10 N | 076 43 05 W |
| Paradise Beach | Populated Place | 4 | Anne Arundel | 39 08 54 N | 076 27 49 W |
| Paradise Cemetery | Cemetery | 16 | Talbot | 38 38 53 N | 076 02 07 W |
| Paradise Cemetery | Cemetery | 189 | Washington | 39 42 11 N | 077 42 02 W |
| Paradise Church | Church | 210 | Allegany | 39 37 53 N | 078 33 53 W |
| Paradise Church | Church | 790 | Garrett | 39 28 16 N | 079 20 21 W |
| Paradise Church | Church | 189 | Washington | 39 42 10 N | 077 42 02 W |
| Paradise Heights (subdivision) | Populated Place | 67 | Harford | 39 31 30 N | 076 10 27 W |
| Paradise Island | Populated Place | 2 | Queen Anne's | 38 54 07 N | 076 21 13 W |
| Paradise Manor (subdivision) | Populated Place | 60 | Harford | 39 31 15 N | 076 10 22 W |
| Paramount | Populated Place | 189 | Washington | 39 40 59 N | 077 41 46 W |
| Paramount Elementary School | School | 189 | Washington | 39 41 00 N | 077 41 43 W |
| Paramount Manor | Populated Place | 178 | Washington | 39 40 57 N | 077 41 30 W |
| Paraprofessional Institute | School | 135 | Montgomery | 39 03 21 N | 077 03 03 W |
| Paris | Populated Place | 49 | Calvert | 38 42 09 N | 076 34 58 W |
| Paris Estates | Populated Place | 36 | Calvert | 38 42 17 N | 076 34 50 W |
| Paris Oaks | Populated Place | 43 | Calvert | 38 42 38 N | 076 34 29 W |
| Paris Pines | Populated Place | 42 | Calvert | 38 42 09 N | 076 34 41 W |
| Paris Poplars | Populated Place | 34 | Calvert | 38 42 15 N | 076 34 06 W |
| Parish Creek | Bay | 0 | Anne Arundel | 38 50 41 N | 076 30 33 W |
| Parish Pond | Lake | 0 | Dorchester | 38 24 06 N | 075 56 53 W |
| Park 100 Industrial Park | Locale | | Anne Arundel | 39 09 25 N | 076 39 52 W |
| Park Chesapeake | Populated Place | 35 | Calvert | 38 21 59 N | 076 23 55 W |
| Park Community United Church of Christ | Church | 130 | Baltimore (city) | 39 19 54 N | 076 41 34 W |
| Park Creek | Bay | -3 | Anne Arundel | 39 04 56 N | 076 28 26 W |
| Park Estates | Populated Place | 59 | Charles | 38 37 15 N | 076 46 50 W |
| Park Hall | Locale | 30 | St. Mary's | 38 13 10 N | 076 25 48 W |
| Park Hall | Populated Place | 219 | Washington | 39 27 18 N | 077 38 51 W |
| Park Hall Estates | Populated Place | 25 | St. Mary's | 38 13 11 N | 076 26 29 W |
| Park Hall Estates | Populated Place | 225 | Washington | 39 24 46 N | 077 39 45 W |
| Park Hall Post Office | Post Office | 31 | St. Mary's | 38 13 10 N | 076 25 52 W |
| Park Hall School | School | 23 | St. Mary's | 38 13 24 N | 076 27 07 W |
| Park Hall-Lexington Park Airport | Airport | 24 | St. Mary's | 38 13 31 N | 076 26 56 W |
| Park Head | Populated Place | 132 | Washington | 39 39 47 N | 078 03 45 W |
| Park Head Cemetery | Cemetery | 135 | Washington | 39 39 16 N | 078 02 51 W |
| Park Heights Avenue Academy | School | 127 | Baltimore (city) | 39 20 01 N | 076 39 42 W |
| Park Heights Baptist Temple | Church | 133 | Baltimore (city) | 39 20 51 N | 076 40 17 W |
| Park Heights Cemetery | Cemetery | 140 | Frederick | 39 19 00 N | 077 36 54 W |
| Park Heights Elementary School | School | 132 | Baltimore (city) | 39 20 48 N | 076 40 26 W |
| Park Hill Cemetery | Cemetery | 15 | Charles | 38 34 37 N | 077 09 28 W |
| Park Island | Island | 5 | Harford | 39 32 08 N | 076 05 24 W |
| Park Lake | Lake | 0 | Anne Arundel | 39 04 47 N | 076 28 37 W |
| Park Lake | Reservoir | 3 | Wicomico | 38 21 42 N | 075 35 01 W |
| Park Lake Estates | Populated Place | 230 | Frederick | 39 20 22 N | 077 12 36 W |
| Park Lane Church of God | Church | 6 | Caroline | 38 41 43 N | 075 46 36 W |
| Park Manor (subdivision) | Populated Place | 12 | Wicomico | 38 21 06 N | 075 34 49 W |
| Park Mills | Populated Place | 89 | Frederick | 39 17 52 N | 077 24 28 W |
| Park Pines | Populated Place | 26 | St. Mary's | 38 10 20 N | 076 23 14 W |
| Park Plaza Shopping Center | Locale | 12 | Anne Arundel | 39 04 26 N | 076 32 47 W |
| Park Point | Cape | 4 | Anne Arundel | 39 04 46 N | 076 28 32 W |
| Park Police Police Station | Building | 55 | Montgomery | 38 58 00 N | 077 08 14 W |