Wabash Township is one of twelve townships in Jay County, Indiana, United States.

[1] The Grouping of Religious Buildings at Trinity was listed on the National Register of Historic Places in 1980.

[3] According to the 2010 census, the township has a total area of 23.49 square miles (60.8 km2), of which 23.46 square miles (60.8 km2) (or 99.87%) is land and 0.03 square miles (0.078 km2) (or 0.13%) is water.

[2] The streams of Franks Drain, Loblolly Creek and Wilson Creek run through this township.

The township contains one cemetery, Stevenson.