QCM

QCM may refer to:


 * Quality Capital Management, a UK-based hedge fund specialising in managed futures.
 * Quartz crystal microbalance, a weighing instrument which measures a mass per unit area by measuring the change in frequency of a quartz crystal resonator
 * Quad City Mallards, a former ECHL team that played in the Quad Cities area of Illinois
 * Quality Control Music, an American record label