Allegheny
Allegheny, Alleghany, or Allegany may refer to:
Geologic and geographic features
Counties
Communities and townships
- Alleghany, California, unincorporated community in Sierra County
- Allegany (town), New York
- Allegany (village), New York
- Allegany, Oregon, unincorporated community
- Allegheny, Pennsylvania, a city annexed by the city of Pittsburgh in 1907
- 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
Protected areas
Public works
Trails
Rail
- Allegheny Railroad, a railroad operating in northwestern Pennsylvania (1985–92)
- Allegheny Valley Railroad, a railroad operating in Western Pennsylvania since 1992
- Allegheny Valley Street Railway, an electric rail line operating along the Allegheny River (1906–37)
- 2-6-6-6, a locomotive of the "Allegheny class"
- Allegheny (train), a St. Louis-Pittsburgh passenger train operated by the Pennsylvania Railroad
Organizations
Biology
Other
- Allegheny Cabin (Rohrbaugh Cabin), historic structure in eastern West Virginia
See also