Lentner is an unincorporated community in southern Shelby County, Missouri, United States. It is located on U.S. Route 36 about six miles west of Shelbina.
A post office called Lentner has been in operation since 1873. The community has the name of Lentner Lathrop, an early settler.
Coordinates: 39°43′07″N 92°08′53″W / 39.71861°N 92.14806°W