Beaver Township is one of ten townships in Newton County, Indiana, United States.

As of the 2020 census, its population was 1,534 and it contained 681 housing units.

[2] According to the 2010 census, the township has a total area of 42.27 square miles (109.5 km2), of which 40.88 square miles (105.9 km2) (or 96.71%) is land and 1.39 square miles (3.6 km2) (or 3.29%) is water.

[4] The township contains four cemeteries: Beaver City, Murphy, Bell, and Oakland.