Barrios de Maryland W
- Wakefield (3)
- Walbrook (13)
- Waldorf (49)
- Walker Mill (8)
- Walnut Ridge (1)
- Waltherson (6)
- Washington Hill (6)
- Washington Village (23)
- Waterford (1)
- Waverley View (1)
- West Arlington (5)
- West Bethesda (5)
- West Chevy Chase Heights (2)
- West Forest Park (9)
- West Hagerstown (3)
- West Hills (2)
- West Laurel (2)
- West Mulbery (4)
- West Pratt (2)
- West Rockville (8)
- Western District (1)
- Westfield (4)
- Westgate (3)
- Westport (1)
- Westwood (4)
- Wheaton-Glenmont (49)
- White Oak (11)
- Wilde Lake (6)
- Wildwood Manor (3)
- Willow Brook (2)
- Wilson Heights (1)
- Wilson Park (1)
- Winchester (4)
- Woodberry (4)
- Woodbourne Heights (2)
- Woodbourne-McCabe (3)
- Woodbrook (9)
- Woodhaven (19)
- Woodlawn (3)
- Woodmere (2)
- Woodmont Triangle (39)
- Woodmore (5)
- Woodring (4)
- Wormans Mill (2)
- Wyman Park (3)