A63 or A-63 may refer to:
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A63 road
The A63 is a major road in Yorkshire, England between Leeds and Kingston upon Hull. A section between North Cave and Hull forms the eastward continuation of the M62 motorway and is part of the unsigned European route E20, Euroroute E20.
Route ...
, a road in England connecting Leeds and Hull
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A63 motorway (France), a road connecting Bordeaux and the border with Spain
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A63 motorway (Germany), a road connecting Mainz and Kaiserslautern
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A63 motorway (Spain), a road connecting Oviedo and Canero
* Encyclopaedia of Chess Openings code for the
Benoni Defense
{{Letter-Number Combination Disambiguation