Barrios de Maryland W
- Wakefield (2)
- Walbrook (4)
- Walker Mill (8)
- Walnut Ridge (1)
- Waltherson (13)
- Washington Hill (2)
- Washington Village (33)
- Waterford (1)
- Waverley View (4)
- West Arlington (2)
- West Bethesda (13)
- West Chevy Chase Heights (1)
- West Forest Park (10)
- West Hagerstown (4)
- West Hills (4)
- West Mulbery (5)
- West Pratt (2)
- West Rockville (30)
- Western District (5)
- Westgate (4)
- Westport (12)
- Westwood (12)
- Wheaton-Glenmont (44)
- White Oak (22)
- Whittier (2)
- Wilde Lake (3)
- Wildwood Manor (9)
- Wilson Heights (3)
- Wilson Park (1)
- Winchester (7)
- Windsor Hills (3)
- Woodacres (1)
- Woodberry (4)
- Woodbourne Heights (4)
- Woodbourne-McCabe (2)
- Woodbrook (11)
- Woodburn (1)
- Woodhaven (31)
- Woodlawn (2)
- Woodmere (1)
- Woodmont Triangle (37)
- Woodmore (8)
- Wyman Park (7)