Lagro Township is one of seven townships in Wabash County, Indiana, United States. As of the 2020 census, its population was 2,733 (down from 2,894 at 2010) and it contained 1,194 housing units.
The Hominy Ridge Shelter House and Hopewell Methodist Episcopal Church and Cemetery are listed on the National Register of Historic Places.
According to the 2010 census, the township has a total area of , of which (or 97.49%) is land and (or 2.51%) is water.
(This list is based on USGS data and may include former settlements.)
The township contains these seven cemeteries: Center Grove, Foster, Independent Order of Odd Fellows, Leedy, Renicker, Saint Patrick and Speicher.