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.

Fairless Hills is a census-designated place (CDP) in Bucks County, Pennsylvania, United States. The CDP is located within c. The population was 9,046 at the 2020 census. That is up from 8,466 at the 2010 census.