Lost Creek (Courtois Creek tributary)

Lost Creek is a stream in Crawford and Washington counties in the U.S. state of Missouri. It is a tributary of Courtois Creek.

The headwaters are located at 37.85583°N, -90.9075°W and the confluence with Courtois Creek is at 37.91722°N, -91.10111°W.

Lost Creek most likely was named for its status as a losing stream.