A63 or A-63 may refer to: A63 road, a road in England connecting Leeds and Hull A63 motorway (France), a road connecting Bordeaux and the border with Spain A63 motorway (Germany), a road connecting Mainz and Kaiserslautern A63 motorway (Spain), a road connecting Oviedo and Canero Benoni Defense (Encyclopaedia of Chess Openings code A63)