Alleghany County or Allegany County may refer to:

• Alleghany County, North Carolina, county seat Sparta
• Alleghany County, Virginia, in the Roanoke Region
• Allegany County, Maryland, county seat Cumberland
• Allegany County, New York, county seat Belmont

• Allegheny County, Pennsylvania, home to Pittsburgh

Topics referred to by the same term

This disambiguation page lists articles about distinct geographical locations with the same name.
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