A31 or A-31 may refer to:
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A31 cefiro, a series of cars by Nissan
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A-31 Vengeance, an American dive bomber from the World War II era
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Archambault A31, a French sailboat design
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HLA-A31, a human serotype
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Samsung Galaxy A31, a mid-range Android smartphone
* IBM
ThinkPad
ThinkPad is a line of business-oriented laptop and Tablet computer, tablet computers produced since 1992. It was originally designed, created and manufactured by the American IBM, International Business Machines (IBM) Corporation. IBM Acquisit ...
A31 laptop computer, produced circa 2002-2004
Roads
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Highway 31 aka Autoroute 31
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A31 motorway (Canada), a road in Quebec connecting Joliette and the A40
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A31 road (England), a road connecting Guildford, Surrey and Bere Regis, Dorset
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A31 motorway (France), a road connecting the Franco-Luxembourg border and Beaune
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A31 motorway (Germany), a road connecting the coast of the North Sea near Emden to the Ruhr area
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A31 road (Isle of Man), a road connecting Port St Mary with the Calf Sound
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A31 motorway (Italy), a road connecting Piovene Rocchette and Albettone - Barbarano Vicentino
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A31 motorway (Netherlands), a road connecting Harlingen and Leeuwarden
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A31 motorway (Spain), a road connecting Madrid and Alicante
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A31 highway (Sri Lanka), a road connecting Karaithivu and Ampara
See also
* A code for the
English Opening
The English Opening is a chess opening that begins with the move:
: 1. c4
A flank opening, it is the fourth most popular and, according to various databases, one of the four most successful of White's twenty possible first moves. White begins ...
in the Encyclopaedia of Chess Openings
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List of highways numbered 31
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