Vernon Township is one of thirteen townships in Washington County, Indiana, United States.

As of the 2020 census, its population was 667 and it contained 263 housing units.

[1] According to the 2010 census, the township has a total area of 34.1 square miles (88 km2), of which 34.03 square miles (88.1 km2) (or 99.79%) is land and 0.07 square miles (0.18 km2) (or 0.21%) is water.

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

The township contains these three cemeteries: Hamilton, Mount Tabor and Old Smedley.