A31 or A-31 may refer to:

  • A31 cefiro, a series of cars by Nissan
  • A-31 Vengeance, an American dive bomber from the World War II era
  • Archambault A31, a French sailboat design
  • HLA-A31, a human serotype
  • Samsung Galaxy A31, a mid-range Android smartphone
  • IBM ThinkPad A31 laptop computer, produced circa 2002-2004

Roads

  • Highway 31 aka Autoroute 31

<!-- * A31 highway (Australia), a road in Victoria connecting -->

  • A31 motorway (Canada), a road in Quebec connecting Joliette and the A40
  • A31 road (England), a road connecting Guildford, Surrey and Bere Regis, Dorset
  • A31 motorway (France), a road connecting the Franco-Luxembourg border and Beaune
  • A31 motorway (Germany), a road connecting the coast of the North Sea near Emden to the Ruhr area
  • A31 road (Isle of Man), a road connecting Port St Mary with the Calf Sound
  • A31 motorway (Italy), a road connecting Piovene Rocchette and Albettone - Barbarano Vicentino
  • A31 motorway (Netherlands), a road connecting Harlingen and Leeuwarden
  • A31 motorway (Spain), a road connecting Madrid and Alicante
  • A31 highway (Sri Lanka), a road connecting Karaithivu and Ampara

See also

  • A code for the English Opening in the Encyclopaedia of Chess Openings
  • List of highways numbered 31