# RM

RM, rm, R.M. or R&M may refer to:

## Arts and entertainment

* Race Modification, a gameplay feature in the Gran Turismo series of video games
* Random map, a randomly generated map in strategy games
* RauteMusik.FM, a German Internet Radio Station
* RM (musician), born Kim Nam-joon, a South Korean rapper, composer and person who produces music
* The R.M., a comedy film
* Running Man (TV program), a South Korean variety television program

## Business and finance
### Companies

* Récoltant-Manipulant, a designation for champagne producers with their own label
* Reichle & De-Massari (R&M), a Swiss family tech business
* RM, a clothing line by Roland Mouret
* RM Education, a British computer firm
* RM Sotheby's, a classic car auctioneers

### Currencies

* Malaysian ringgit, Malaysia (ISO 4217: MYR)
* Reichsmark (ℛℳ), German currency during the Weimar Republic and the Third Reich

### Methods and disciplines

* Rapid manufacturing, computer-automated additive manufacturing method
* Records management, an information archiving practice
* Relationship marketing, in marketing jargon
* Revenue management, a discipline aimed at maximize profit for businesses
* Risk management, identification and prioritization of business risks

## Military

* Radioman, a rating for the United States Navy
* Regia Marina, the Italian Navy prior to 1946
* Royal Marines, the United Kingdom's amphibious forces

## Places
### Countries

* Madagascar, per the UN Conventions on Road Traffic
* Marshall Islands, per the American FIPS 10-4 standard
* Moldova, an abbreviation of its official Romanian name Republica Moldova; also per the World Meteorological Organisation
* Republic of Macedonia (now North Macedonia)
* Romania, per the Library of Congress

### Forms of place

* Ranch to Market Road, a designation for minor state highways in Texas, US
* Rural municipality, a type of district in Canada

### Locations in the United States

* Richard Montgomery High School, Rockville, Maryland
* Richmond, Virginia
* Rocky Mount, North Carolina

### Regions

* Metropolitan City of Rome Capital, Italy (ISO 3166-2:IT code)
** Province of Rome, Italy
* RM postal area, the UK postcode area for Romford
* Santiago Metropolitan Region of Chile (Spanish: Región Metropolitana de Santiago)

## Science and technology
### Biology and medicine

* Range of motion, or range of movement, the distance a joint can move between the flexed and extended positions
* Recurrent miscarriage, referring to multiple consecutive miscarriages
* Regenerative medicine, the process of replacing or regenerating human cells, tissues or organs to restore or establish normal function
* Relative migration, in gel electrophoresis
* Respiratory mechanics, the branch of human physiology focusing upon the bio-mechanics of respiration
* Rhabdomyolysis, a condition in which damaged skeletal muscle tissue breaks down, potentially leading to kidney failure
* Rhesus monkey, a species of Old World monkey native to South, Central and Southeast Asia
* Rhinitis medicamentosa, or rebound congestion
* Urinalysis, or "routine and microscopy", an array of tests performed on urine

### Computing

* RealMedia, a data format provided by RealNetworks
* Relational model, a database model based on predicate logic and set theory
* Reset Mode (ANSI), an ANSI X3.64 escape sequence
* Resource Management, a service in Asynchronous Transfer Mode (ATM) networks
* Reuters Messaging, an instant messenger application
* rm (Unix), a Unix command for the removal of files

### Physics

* Faraday rotation measure, in astrophysics
* Magnetic Reynolds number, a ratio used in magnetohydrodynamics
* Molière radius (Rm), in high energy physics

### Vehicles

* AEC Routemaster, the traditional London bus
* China Railways RM, a Chinese steam locomotive
* Rail Motor, a self-propelled rail car
* SJ Rm, a Swedish locomotive

## Sport

* One rep maximum, or 1RM, a weight training term
* Real Madrid C.F., a Spanish football club

## Titles

* Radioman, a former rate of the U.S. Navy
* Raksha Mantri, the defense minister of India
* Registered Midwife, a legally registered or certified professional midwife
* Reiki Master, one level of the three-tiered hierarchy of Reiki
* Resident magistrate
* Returned Missionary, a Mormon who has served as a missionary

## Other uses

* Reasoning Mind, an American school math initiative
* Récoltant-Manipulant, champagne made by the winegrower
* Research Memo, a type of Congressional Research Service Report
* Romansh language, spoken in Switzerland (ISO 639-1 code: rm)
* Rosmah Mansor, wife of Malaysia Prime Minister Dato' Seri Najib Razak