Allegany may refer to:
A Populated Place
- Allegany (town), New York, in Cattaraugus County
- Allegany (village), New York, in the above town
- Allegany Indian Reservation (New York), in Cattaraugus County
- Allegany, Oregon, an unincorporated community in Coos County
- Allegany Township, Potter County, Pennsylvania
| This disambiguation page lists articles associated with the title, Allegany.