A131 may refer to:
*
A131 road (England)
The A131 road is a road in Essex, England.
It runs from the A130 road (near Little Waltham) to the A134 road at Sudbury. The A131 road by-passes Great Leighs, Young's End, Great Notley, then goes through the A120 road as the Braintree by-pas ...
, a road connecting Little Waltham and Sudbury
*
A131 motorway (France)
The A131 Autoroute starts at in the outskirts of Le Havre and ends near Bourneville-Sainte-Croix close to exit 26 on the A13.
It is operated by the Société des Autoroutes de Paris Normandie (SAPN). Its total length is . Apart from the Pont d ...
, a French motorway connecting the A13 and Le Havre
*
RFA Reliant (A131), a 1976 Royal Fleet Auxiliary helicopter support ship
{{Letter-NumberCombDisambig