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

As of the 2010 census, its population was 392 and it contained 138 housing units.

[3] The streams of Beard Run, Black Water Branch, College Corner Branch, Mud Run, Oser Creek, Silver Creek, Silver Station Brook and Square Run run through this township.

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

The township contains two cemeteries, Jacksonburg and Beard.