A49 may refer to: A49 road (England), a road connecting Ross-on-Wye and Bamber Bridge A49 autoroute, a road connecting Grenoble and Valence, France Central Coast Highway (A49), a road in New South Wales, Australia King's Indian Defence, Encyclopaedia of Chess Openings code Route A49 (WMATA), a bus route operated by the Washington Metropolitan Area Transit Authority
A-49 may refer to: Autovía A-49, a major highway in Andalucia, Spain
A 49 may refer to: Bundesautobahn 49, Germany