Washington Township is one of eleven townships in Monroe County, Indiana, United States. As of the 2010 census, its population was 2,029 and it contained 882 housing units. The township contains a portion of the Morgan-Monroe State Forest.
Washington Township was established in 1829. It was named for George Washington, the first President of the United States.
According to the 2010 census, the township has a total area of , of which (or 99.97%) is land and (or 0.03%) is water.
(This list is based on USGS data and may include former settlements.)
The township contains these two cemeteries: Collier and Sample.