- Forsythe
- Fort Deterick
- Fort Foote Estates
- Fort Foote Village
- Fort George G Mead Junction
- Fort Howard
- Fort Meade
- Fort Pendleton
- Fort Ritchie
- Fort Washington
- Fort Washington Estates
- Fort Washington Forest
- Foster Branch
- Fosters Mobile Home Park
- Fountain Dale
- Fountain Green
- Fountain Green Estates
- Fountain Green Heights
- Fountain Green Mobile Home Park
- Fountain Head
- Fountain Head Heights
- Fountain Mills
- Fountain Rock
- Fountain Valley
- Fountain Valley
- Fountain View
- Fountaindale South
- Fountainhead-Orchard Hills
- Four Corners
- Four Corners