Places beginning with WI in South Dakota, United States
- Wicksville
- Wilbur, Township of
- Wildwood Addition
- William Hamilton, Township of
- Williams Creek, Township of
- Williams Subdivision
- Willow Creek Butte, Township of
- Willow Creek, Township of
- Willow Lake
- Willow Lake, City of
- Willow Lake, Township of
- Willow, Township of
- Wilmot
- Wilmot, City of
- Wilson, Township of
- Wilson, Township of
- Winfred
- Winfred (historical), Town of
- Winfred (historical), Township of
- Winfred, Township of
- Winner
- Winner, City of
- Winship
- Winsor, Township of
- Wismer, Township of
- Witten
- Wittenberg, Township of
- Witten, Township of