Manchester is a second-class township in Wayne County, Pennsylvania, United States.
The township's population was 836 at the time of the 2010 United States Census.
There were 686 housing units at an average density of 15.5 per square mile (6.0/km2).
The racial makeup of the township was 98% White, 0.6% African American, 0.1% Asian, and 1.3% from two or more races.
27.6% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older.