Allegheny Township is the name of some places in the U.S. state of Pennsylvania:
- Allegheny Township, Armstrong County, Pennsylvania, a historical township broken up in 1878, becoming Bethel, Gilpin and Parks Townships
- Allegheny Township, Blair County, Pennsylvania
- Allegheny Township, Butler County, Pennsylvania
- Allegheny Township, Cambria County, Pennsylvania
- Allegheny Township, Somerset County, Pennsylvania
- Allegheny Township, Venango County, Pennsylvania
- Allegheny Township, Westmoreland County, Pennsylvania