The Eramosa is a Silurian stratigraphic unit (a geological feature) in Ontario, Canada, and western New York State, United States.
Eramosa may also refer to:
Guelph/Eramosa, Ontario, a township in Wellington County, Ontario, Canada Eramosa Karst, an officially designated Area of Natural and Scientific Interest in Stoney Creek, Ontario Eramosa marble, a building stone obtained from the Eramosa Eramosa River, a river in Wellington County, Ontario