BRM may refer to:
Business Business reference model Business relationship management, a formal approach to understanding, defining, and supporting inter-business activities Business reply mail, a term for freepost in some countries
Sport Brevet Randonneurs Mondiaux, long distance endurance cycling events sanctioned by the Audax Club Parisien British Racing Motors, former British Formula One motor racing team Team BRM, Australian motor racing team
Other uses Ballot Resolution Meeting, an International Organization for Standardization (ISO) procedure Biological response modifiers, substances that alter immune response British Railway Modelling, a British hobby magazine Jacinto Lara International Airport, Barquisimeto, Venezuela (by IATA code) BRM-1, a military vehicle