Dayton is an unincorporated community in Cass County, in the U.S. state of Missouri.
A post office called Dayton was established in 1856, and remained in operation until 1918. The community was named after William L. Dayton, a vice-presidential candidate in the United States presidential election, 1856.
Coordinates: 38°29′07″N 94°11′38″W / 38.48528°N 94.19389°W