A131 may refer to:
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A131 road (England), a road connecting Little Waltham and Sudbury
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A131 motorway (France), a French motorway connecting the A13 and Le Havre
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RFA Reliant (A131)
RFA ''Reliant'' (A131) was a helicopter support ship of the Royal Fleet Auxiliary.
She was built in 1977 in Poland, at the Gdańsk Shipyard, as a conventional container ship with roll-on/roll-off capability for loading vehicles and containers f ...
, a 1976 Royal Fleet Auxiliary helicopter support ship
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