Noxen Township is a township in Wyoming County, Pennsylvania, United States. The population was 951 at the 2000 census.
According to the United States Census Bureau, the township has a total area of 28.6 square miles (74.0 km²), of which, 28.5 square miles (73.9 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.14%) is water.
As of the census of 2000, there were 951 people, 378 households, and 249 families residing in the township. The population density was 33.3 people per square mile (12.9/km²). There were 419 housing units at an average density of 14.7/sq mi (5.7/km²). The racial makeup of the township was 98.21% White, 0.42% African American, 0.21% Native American, 0.11% from other races, and 1.05% from two or more races. Hispanic or Latino of any race were 0.11% of the population.