- Waterloo
- West Union
- Westminster
- Windsor
- Williams
- Williamston
- Williston
- West Marsh Island
- Woods Crossroads
- Woodland Landing
- Wachesaw Landing
- Wachovia Hills
- Wadboo
- Wade Hampton Gardens
- Wade Hampton Heights
- Wade Heights
- Wadmacon Island
- Wadmalaw Island
- Wadmalaw Island
- Wadsworth
- Walden
- Walden Pond
- Waldrop Crossroads
- Walker
- Walkers Crossing
- Wallace
- Wallace Crossroads
- Wallaceville
- Walling Grove
- Walnut Creek