RCM

RCM may refer to:
* "Radar Coded Message", a form of Nexrad radar output
* "Rapid Communications in Mass Spectrometry", a scientific journal
* "Rassemblement des citoyens et des citoyennes de Montréal" (Montreal Citizens' Movement), a municipal political party in Montreal, Quebec, Canada, that existed from 1973 to 2001
* Reciprocating Chemical Muscle, a mechanism that takes advantage of the superior energy density of chemical reactions
* "Red Carpet Massacre", a Duran Duran album
* Refugee Children(s) Movement, see Kindertransport
* Regimental Corporal Major, a warrant officer appointment in the British Household Cavalry
* Regional county municipality, a territorial subdivision of Quebec
* Reliability centered maintenance, an industrial improvement approach
* Reverse Cuthill-McKee algorithm, an algorithm to reduce the bandwidth of sparse symmetric matrices
* Revolutionary Committees Movement, a political and cultural movement in Libya
* Richmond Airport, an airport in Richmond, Queensland, Australia.
* Ring-closing metathesis, a variation on olefin metathesis
* Royal Canadian Mint
* Royal College of Music, in London, England
* Royal Conservatory of Music (Canada)
* Royal Cornwall Museum in the city of Truro, UK
* Right Costal Margin - used as abbreviation in medicine - often used in medical physical exam as reference point