BCMS may stand for: Bosnian-Croatian-Montenegrin-Serbian or Serbo-Croatian, a pluricentric South Slavic language Boston Chamber Music Society, an American organization of musicians in Boston, Massachusetts British Cattle Movement Service, the organisation responsible for maintaining a database of all bovine animals in Great Britain Bible Churchmen's Missionary Society, the previous name of Crosslinks, an evangelical Anglican missionary society Business Continuity Management System, a concept in Business continuity planning