Quebec County may refer to:

• Quebec County (Province of Canada electoral district)
• Quebec County (federal electoral district), a former federal riding from 1867 to 1925
• an alternative name for Québec-Comté (provincial electoral district), a former provincial riding from 1867 to 1966
• County of Quebec, a former riding of Lower Canada, see Electoral districts of Lower Canada
• Quebec County, Quebec, a historic county in the province of Quebec