Allegheny Mountain

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 Appalacians