B81 may refer to :
- Sicilian Defence, Scheveningen Variation, Encyclopaedia of Chess Openings code
- HLA-B81, an HLA-B serotype
- Bundesstraße 81, a road in Germany
- Rolls-Royce B81 Engine, a straight-eight petrol engine primarily used in the Alvis Stalwart and FV430 Series Mk 1 vehicles
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: