Rem or REM may refer to:
Music
- R.E.M., an American rock band
- R.E.M. (EP), by the band Green
- "R.E.M." (song), by Ariana Grande
Science and technology
- Rapid eye movement sleep, a phase of sleep
- Roentgen equivalent man (rem), a unit of radiation dose equivalent
- REM (BASIC), an inline comment (REMark) in BASIC and some other computer languages
- Rare-earth metal
- Reflection electron microscope
- Reticular erythematous mucinosis, a skin disease
- Root em, a font-size measurement used with Cascading Style Sheets
- Real ear measurement, measurement of sound pressure level in a patient's ear canal developed when a hearing aid is worn
- Random effects model, a statistical model
Organizations
- La République En Marche!, a French centrist political party
- Reichserziehungsministerium, in Nazi Germany, unofficially known as the Reich Education Ministry
- Reiss Engelhorn Museum, Germany
- Resource Extraction Monitoring, a UK-based non-profit organisation
- Rosicrucian Egyptian Museum, California, United States
- REM Island, an offshore platform and home of the pirate stations Radio and TV Noordzee
People
- Jakob Rem (1546–1618), Austrian Jesuit
- Rem Koolhaas (born 1944), Dutch architect
- Rem Vyakhirev (1934–2013), Russian manager
- Rem, pen name of Priscilla Hamby, illustrator and comic book artist
Fictional characters
- Rem, an android in Logan's Run
- Rem, in Dream Hunter Rem
- Rem Saverem, in Trigun
- Rem, in Bobobo-bo Bo-bobo
- Rem (Death Note), a Shinigami in Death Note
- Rem Kaginuki, a devil in Dance with Devils
- Rem (Re:Zero), a character in the light novel/anime series Re:Zero − Starting Life in Another World
- Rem Galleu, in How Not to Summon a Demon Lord
Other uses
- Rém, a village in Hungary
- Réseau express métropolitain, Greater Montreal rapid transit system
- REM (Real Estate Magazine), Canada
- Rem (mythology), an Egyptian fish god
See also
- All pages with titles beginning with Rem
- All pages with titles containing Rem
- REM World, a fantasy/science fiction novel by Rodman Philbrick
- Rems (disambiguation)