Barrios de Maryland W
- Wakefield (2)
- Walbrook (7)
- Walker Mill (8)
- Walnut Ridge (1)
- Waltherson (9)
- Washington Hill (2)
- Washington Village (36)
- Waterford (2)
- Waverley View (7)
- West Arlington (9)
- West Bethesda (9)
- West Chevy Chase Heights (7)
- West Forest Park (4)
- West Hagerstown (7)
- West Hills (2)
- West Mulbery (9)
- West Pratt (2)
- West Rockville (21)
- Western District (3)
- Westgate (4)
- Westport (5)
- Westwood (10)
- Wheaton-Glenmont (58)
- White Marsh Station (5)
- White Oak (19)
- Whittier (2)
- Wilde Lake (10)
- Wildwood Manor (14)
- Wilson Park (1)
- Winchester (9)
- Winston-Govans (1)
- Woodberry (4)
- Woodbourne Heights (5)
- Woodbourne-McCabe (4)
- Woodbrook (19)
- Woodburn (2)
- Woodlawn (5)
- Woodmont Triangle (35)
- Woodmoor (1)
- Woodmore (10)
- Woodring (1)
- Wyman Park (9)
- Wyndhurst (1)