B80
# B80

B80 may refer to:

* B-80, a Zulu-class submarine bought from the Soviets in 1991
* B80, a model of the Beechcraft Queen Air twin-engined light aircraft
* B80, a model of the Rolls-Royce B range engines
* B80, Studley, Warwickshire's postcode district in the B postcode area
* Sicilian Defence, Scheveningen Variation (ECO code: B80), an chess opening that is a line of the Open Sicilian
