# RMS

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

* Hermès (Euronext Paris: RMS), a French luxury fashion house
* 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
* Revenue Management Society, a British industry organisation
* Risk Management Solutions, a subsidiary of Moody's Corporation
* RMS, a prefix for Royal Mail Ships and aircraft, UK
* 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
* 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

* 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
* Revenue Management System (or revenue management software), a software system for managing occupancy in hotels and suchlike
* RMS (noise reduction) (Rauschminderungssystem), a Dolby-B-compatible compander in the former GDR in the 1980s
* 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