B75

B75 or B-75 may refer to:
 * Bundesstraße 75, a German road
 * Cobb Highway, in New South Wales, Australia, designated B75
 * Intel Ivy Bridge Chipset
 * Sicilian Defense, Dragon Variation, according to the Encyclopaedia of Chess Openings
 * Sutton Coldfield, according to the list of postal districts in the United Kingdom
 * Thor (rocket)
 * HLA-B75, an HLA-B serotype