Forks Township is a township in Sullivan County, Pennsylvania, USA. The population was 377 at the 2010 census.
The Worlds End State Park Family Cabin District was added to the National Register of Historic Places in 1987.
According to the United States Census Bureau, the township has a total area of 43.9 square miles (114 km2), of which, 43.9 square miles (114 km2) of it is land and 0.04 square miles (0.10 km2) of it (0.05%) is water.
Part of Worlds End State Park a Pennsylvania state park is in a gorge along Loyalsock Creek in Forks Township.
Forks Township is bordered by Bradford County to the north, Cherry Township to the east, Laporte Township to the southeast, Shrewsbury Township to the south and Hillsgrove and Elkland Townships to the west.
Forks Township forms the northern, eastern and southern borders of the borough of Forksville.
As of the census of 2000, there were 407 people, 171 households, and 122 families residing in the township. The population density was 9.3 people per square mile (3.6/km2). There were 401 housing units at an average density of 9.1/sq mi (3.5/km2). The racial makeup of the township was 99.51% White, 0.25% Asian, and 0.25% from two or more races.
There were 171 households, out of which 24.0% had children under the age of 18 living with them, 58.5% were married couples living together, 7.6% had a female householder with no husband present, and 28.1% were non-families. 22.2% of all households were made up of individuals, and 11.7% had someone living alone who was 65 years of age or older.