Allegheny Mountain may refer to:
The Allegheny Mountains range in the eastern United States Mountains within the range, including: Allegheny Mountain (West Virginia-Virginia), or "Alleghany", demarcating much of the border between the two states Allegheny Mountain (Pennsylvania) in southwestern Pennsylvania The Allegheny Front, in Pennsylvania, Maryland, and West Virginia The Allegheny Escarpment, which forms the western edge of the Appalachians
See also Back Allegheny Mountain