Washington Township is one of fifteen townships in Wayne County, Indiana, United States.

As of the 2010 census, its population was 1,436 and it contained 626 housing units.

[4] Beechwood (Isaac Kinsey House) and the Doddridge Chapel and Cemetery are listed on the National Register of Historic Places.

(This list is based on USGS data and may include former settlements.)

The township contains six cemeteries: Doddridge Chapel Cemetery, Franklin, Friends, South Side, United Brethren and West Side.