RMS may refer to:

Places

• Ramstein Air Base, in Germany (IATA code RMS)
• Republik Maluku Selatan (Republic of the South Moluccas), a self-proclaimed republic in the Maluku Islands, founded in 1950

Organizations

Learned societies

• Ramanujan Mathematical Society, a learned society founded in 1985 in India
• Royal Medical Society, a learned society founded in 1737 at the University of Edinburgh Medical School
• Royal Meteorological Society, a learned society founded in 1850 in Aylesbury in Buckinghamshire
• Royal Microscopical Society, a learned society founded in 1839 in London, now headquartered in Oxford
• Russian Mineralogical Society, a learned society founded in 1817 in Saint Petersburg
• Russian Musical Society, a learned society founded in 1859 and disbanded in 1917

Schools

United States

• Radnor Middle School, in Radnor, Pennsylvania
• Redwood Middle School (Saratoga, California)
• Rice Middle School, in Plano, Texas
• Richardson Middle School, in Chicago, Illinois
• Richland Middle School, in Richland Hills, Texas
• Riverwood Middle School, in Kingwood, Texas
• Robinson Middle School, in Plano, Texas
• Rocky Mountain semester, in Leadville, Colorado; now called High Mountain Institute Semester
• Romulus Middle School, in Romulus, Michigan
• Roosevelt Middle School (Oakland, California)
• Rosemount Middle School, in Rosemount, Minnesota
• Ridgely Middle School, in Lutherville, Maryland

Elsewhere

• Rambhakta Memorial School in Banepa, Kavre, Nepal
• Reims Management School, in Reims, France
• Robert May's School, in Hampshire, England
• The Royal Masonic School for Girls, in Hertfordshire, England
• Rutland Middle School, in British Columbia, Canada

Other organizations

• Railway Mail Service, a former US mail transportation service
• Raytheon Missile Systems, a former company which manufactured missiles
• Regroupement des militants syndicaux ("Trades-Union Militants Grouping"), a political organization in Quebec, Canada, in the 1970s
• Risk Management Solutions, a subsidiary of Moody's Corporation
• Roads and Maritime Services, a former agency of the New South Wales government, Australia
• Rotana Media Services, the advertising and marketing wing of Rotana Group
• Rotating Memory Systems, Inc., a defunct hard disk drive manufacturer
• RMS, a prefix for Royal Mail Ships and aircraft, UK
• Royal Society of Miniature Painters, Sculptors and Gravers, originally the Royal Miniatures Society, London

Science and technology

Biology and medicine

• Rhabdomyosarcoma, a cancer of connective tissues
• Rostral migratory stream, one path that neuronal stem cells travel along to reach the olfactory bulb
• Relapsing Multiple Sclerosis

Computing

• Rate-monotonic scheduling, a scheduling technique in operating systems
• Record Management Services, file-management processes in OpenVMS operating systems
• Record Management System, a persistent storage mechanism available to some Java ME configurations
• Rights Management Services, a component of MS Windows Server 2003

Other uses in science and technology

• RMS (noise reduction) (Rauschminderungssystem), a Dolby-B-compatible compander in the former GDR in the 1980s
• Reconfigurable Manufacturing System, designed for rapid change in its structure
• Residual mean square, a measure of the difference between data and a model of that data
• Root mean square, a measure of the magnitude of a varying quantity
• Royal Microscopical Society thread, or society thread, a screw thread used for microscope objective lenses
• " Watt RMS", an erroneous term for "average power" used in audio measurements

Other uses

• RMS (band), a British jazz/rock fusion band, formed in 1982
• Richard Matthew Stallman, often referred to as "rms", a software freedom activist and computer programmer
• Royal Mail Ship, the ship prefix used for seagoing vessels that carry mail under contract to the British Royal Mail
• Resilient Multi-mission Space STaR Shot program, an Australian satellite defence program being developed by Airbus at Lot Fourteen in Adelaide, South Australia

This disambiguation page lists articles associated with the title RMS.
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