- Sturgis
- Summit
- Tabor
- Tea
- Timber Lake
- Tolstoy
- Toronto
- Trail City
- Trent
- Tripp
- Tulare
- Turton
- Tuthill
- Twin Brooks
- Tyndall
- Union Center
- Utica
- Vale
- Valley Springs
- Veblen
- Vermillion
- Viborg
- Vienna
- Virgil
- Vivian
- Volga
- Volin
- Wagner
- Wakonda
- Wakpala
- Walker
- Wall
- Wallace
- Wanblee
- Warner
- Wasta
- Watauga
- Watertown
- Waubay
- Webster
- Wentworth
- Wessington
- Wessington Springs
- Westport
- White
- White Lake
- White Owl
- White River
- Whitehorse
- Whitewood
- Willow Lake
- Wilmot
- Winfred
- Winner
- Witten
- Wolsey
- Wood
- Woonsocket
- Worthing
- Wounded Knee
- Yale
- Yankton