A number of different automobiles were marketed under the Austin A40 name by Austin between 1947 and 1967.
Austin's naming scheme at that time derived from the approximate engine output, in horsepower. Therefore, the models were also given names, originally based on counties of England.
The following vehicles were sold under the Austin A40 name:
Austin A40 Dorset
Austin A40 Devon
Austin A40 Countryman
Austin A40 Van
Austin A40 Pick-up
Austin A40 Tourer
Austin A40 Sports
Austin A40 Somerset
Austin A40 Cambridge
Austin A40 Farina Mk I
1955 Austin A40 Sedan (Japan). built by Datsun in the mid-1950s