BBY

BBY may stand for:


 * BBY Limited, an Australian stockbroking and corporate advisory firm
 * Back Bay (MBTA station) (station code: BBY), Boston, USA
 * Bambari Airport, Central African Republic (IATA code: BBY)
 * "Before the Battle of Yavin", a system of measuring dates in Star Wars
 * Best Buy (NYSE: BBY), American multinational retailer
 * Burnaby, British Columbia, Canada, a city
 * Menchum language of Cameroon (ISO 639:bby)