Letart Falls is an unincorporated community in Meigs County, in the U.S. state of Ohio.
A post office called Letart Falls was established in 1826, and remained in operation until 1959. There were formerly falls on the Ohio River at this point.
Coordinates: 38°53′34″N 81°55′26″W / 38.89278°N 81.92389°W