Greenwood Township is a township in Clearfield County, Pennsylvania, United States. The township has a population of 363 people, according to the 2020 United States census. Between Mahaffey and Grampian on U.S. Route 219, Greenwood Township contains the villages of Curry Run and Bells Landing. The West Branch of the Susquehanna River passes through it, along with several abandoned and presently used railroad grades.