B70

B70 or B-70 may refer to:


 * B70 (chess opening), a code for the Dragon Variation from the Encyclopaedia of Chess Openings
 * B70 (New York City bus), a public transit line in Brooklyn in New York City
 * B-70 Valkyrie, a planned American supersonic bomber aircraft
 * Bundesstraße 70, a federal highway in Germany
 * CD86, a human protein also called B70
 * HLA-B70, an HLA-B serotype
 * West Bromwich, UK postcode
 * The pennant number assigned to Turkish battlecruiser TCG Yavuz Sultan Selim
 * Bestune B70, a sedan