W
- Wapehani Lake, a.k.a. Weimer Lake, a reservoir on West Fork Clear Creek in Bloomington
- Waubee Lake
- Wauhob Lake, Porter County
- Lake Wawasee
- Webster Lake
- West Otter Lake, Steuben County
- Whippoorwill Lake
- Wolf Lake (Also extends into Illinois.)
- Winona Lake, in the town of Winona Lake, Indiana
Read more about this topic: List Of Lakes In Indiana