Lovett Township is one of eleven townships in Jennings County, Indiana, United States. As of the 2020 census, its population was 1,034 (down from 1,160 at 2010) and it contained 435 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.70%) is land and (or 0.30%) is water. The streams of Polly Branch and Turkey Run run through this township.
The township contains four cemeteries: Green, Marsh, Meek and Weston.