Aulds Cove is a community in the Canadian province of Nova Scotia, located in both Antigonish County and Guysborough County. Situated on the western shore of the Strait of Canso, Aulds Cove is bifurcated by the county line. The northern section of the community is located in Antigonish County and the southern section is located in Guysborough County. Aulds Cove is directly opposite the community of Port Hastings located on Cape Breton Island. The community is thought to have derived its name from Alexander Auld, an early settler who had grist and saw mills at this location.