- Whiteleysburg
- Woodside Forest
- West Riverdale
- West Vindex
- Waddells Corner
- Wades Island
- Waggaman Heights
- Wagner Landing
- Wagners Crossroads
- Wagners Mill
- Waibelwood Park
- Wakefield
- Wakefield
- Wakefield
- Wakefield
- Wakefield Estates
- Wakefield Meadows
- Wakefield Mill
- Wakely Terrace
- Walbrook
- Walbrook Manor
- Walden
- Walden Circle
- Walden Farms
- Waldorf
- Wales of Harford
- Waljacks Corners
- Walker
- Walker Hill
- Walker Manor