P
- Padonia
- Palmer Park
- Palmers
- Palmetto
- Paris
- Parker Meadows
- Parker Wharf
- Park Hall
- Park Hall
- Park Head
- Park Pines
- Parkside Heights
- Parkton
- Parkview Trail
- Parkville
- Parole
- Parsonsburg
- Pasadena
- Passapae Landing
- Patapsco
- Patapsco
- Patchwork Farms
- Patrick Plains
- Patuxent
- Patuxent
- Pauls Corner
- Paw Paw
- Paw Paw Point
- Peacock Corners
- Pearre
- Pearson Grove
- Pecktonville
- Peppermint Park
- Perry Hall
- Perryman
- Perrys Haven
- Perryville
- Petersburg
- Peters Corners
- Petersville
- Phoenix
- Pickwick
- Pikesville
- Pinefield
- Pine Hill Estates
- Pinehurst
- Pine Orchard
- Pinesburg
- Piney Grove
- Piney Grove
- Piney Grove Estates
- Piney Hill
- Piney Hill Estates
- Piney Point
- Pinto
- Pipe Creek Mill
- Piscataway
- Piscataway Estates
- Pisgah
- Pittsville
- Planters Wharf
- Pleasant Grove
- Pleasant Hills
- Pleasant Springs
- Pleasant Valley
- Pleasant Valley
- Pleasant View
- Pocomoke
- Pocomoke City
- Point of Rocks
- Polk Landing
- Polk Road
- Pomfret
- Pomona
- Pomonkey
- Pondsville
- Pondtown
- Pond View Acres
- Poolesville
- Popes Creek
- Poplar Grove
- Poplar Hill
- Poplar Neck
- Poplar Point
- Poplar Springs
- Port Deposit
- Porter Mill Estates
- Porters Park
- Porterstown
- Port Herman
- Port Republic
- Port Tabacco Rivera
- Port Tobacco
- Potomac
- Potomac Heights
- Potomac Shores
- Potomac View
- Potts Point
- Powellville
- Pratt
- Preference Estates
- Preston
- Price
- Prince Frederick
- Princess Anne
- Principio
- Prospect Bay
- Providence
- Public Landing
- Pumphrey
- Pumpkin Center
- Puncheon Landing
- Pusey Landing
- Putnam