Barrios de Maryland W
- Wakefield (3)
- Walbrook (3)
- Walker Mill (7)
- Walnut Ridge (1)
- Waltherson (2)
- Washington Hill (11)
- Washington Village (23)
- Waterford (1)
- Waverley View (1)
- West Arlington (5)
- West Bethesda (3)
- West Chevy Chase Heights (3)
- West Forest Park (11)
- West Hagerstown (5)
- West Hills (1)
- West Laurel (1)
- West Mulbery (1)
- West Pratt (2)
- West Rockville (11)
- Western District (1)
- Westfield (5)
- Westgate (3)
- Westport (9)
- Westwood (2)
- Wheaton-Glenmont (31)
- White Oak (10)
- Whittier (5)
- Wilde Lake (12)
- Wildwood Manor (4)
- Willow Brook (1)
- Wilson Heights (1)
- Wilson Park (1)
- Winchester (1)
- Winston-Govans (4)
- Woodberry (4)
- Woodbourne Heights (4)
- Woodbourne-McCabe (2)
- Woodbrook (16)
- Woodburn (1)
- Woodhaven (22)
- Woodlawn (2)
- Woodmere (2)
- Woodmont Triangle (57)
- Woodmoor (1)
- Woodmore (7)
- Woodring (2)
- Wyman Park (6)
- Wyndhurst (1)