Historic counties may refer to:

• Historic counties of England, subdivisions of England established for administration by the Normans
• Historic counties of Ireland, areas in Ireland separate from the county corporates that existed in some of the larger towns and cities
• Historic counties of Scotland, the principal local government divisions of Scotland until 1975
• Historic counties of Wales, ancient sub-divisions of Wales
• Counties of Trinidad and Tobago
• Counties of Moldova
• Former counties of Romania