Liberty Township is one of fourteen townships in Shelby County, Indiana. As of the 2010 census, its population was 1,772 and it contained 723 housing units.
Liberty Township was established in 1840.
Liberty Township Schoolhouse No. 2 and Middletown Bridge are listed on the National Register of Historic Places.
According to the 2010 census, the township has a total area of , of which (or 99.96%) is land and (or 0.04%) is water.