Falls Township is a suburban Philadelphia township in Bucks County, Pennsylvania, United States. The population was 34,300 at the 2010 census. Portions of Fairless Hills and Levittown, Pennsylvania, are located in the township. Portions of Falls Township are called Morrisville and Yardley, due to the location of the Morrisville Post Office outside the Borough of Morrisville in Falls Township. As originally chartered in 1692, the villages of Morrisville and Tullytown were part of Falls Township. Morrisville was granted borough status in 1804. Tullytown was established as a borough in 1891.

Bucks County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 646,538, making it the fourth-most populous county in Pennsylvania. Its county seat is Doylestown. The county is named after the English county of Buckinghamshire. The county is part of the Southeast Pennsylvania region of the state.