Cortner is an unincorporated community in Bedford County, in the U.S. state of Tennessee.
A post office called Cortner was established in 1885, and remained in operation until 1943. The community had a depot on the Nashville and Chattanooga Railway. A variant name was "Cortners Station".
35°28′06″N 86°16′35″W / 35.46833°N 86.27639°W