B68

B68 or B-68 may refer to:
 * Barnard 68, a molecular cloud and likely star-formation site
 * B68 (New York City bus) in Brooklyn
 * B68 Toftir, a Faroese football club
 * Sicilian Defence in the Encyclopaedia of Chess Openings
 * Bundesstraße 68, a GErman road
 * Martin XB-68 (none built), an experimental American aircraft
 * B-68 Titan