Avert is an unincorporated community in Stoddard County, in the U.S. state of Missouri.
A post office called Avert was established in 1890, and remained in operation until 1945. An early variant name was "Day", after L. B. Day, a pioneer citizen.
Coordinates: 36°55′46″N 89°50′52″W / 36.92944°N 89.84778°W