Rom, rom, or ROM may refer to:

Biomechanics and medicine

  • Risk of mortality, a medical classification to estimate the likelihood of death for a patient
  • Rupture of membranes, a term used during pregnancy to describe a rupture of the amniotic sac
  • Range of motion, e.g., of joints, in physiotherapy

Computing

  • Read-only memory, a form of non-volatile memory used in computers and other electronic devices
  • ROM cartridge, a portable form of read-only memory
  • ROM image, a computer file which contains a copy of the data from a read-only memory chip
  • Android ROM, a file containing executable instructions of an Android OS
  • ROM (MUD), a popular MUD codebase, in gaming
  • Request of maintainer, a request by the maintainer of a software package

Engineering

  • Range of motion, the distance that a movable object may normally travel while properly attached to another object
  • RFID on metal, radio-frequency identification (RFID) tags, which perform a specific function when attached to metal objects
  • Rough order of magnitude, a type of cost estimation

Arts and entertainment

  • Ethan Rom, one of the Others in the TV series Lost
  • Rom the Space Knight, a Marvel Comics superhero based on the Parker Brothers toy of the same name
  • Rom (Star Trek), a Ferengi character in Star Trek: Deep Space Nine
  • Rom, a fictional character in Hyperdimension Neptunia Mk2
  • Runes of Magic, a popular MMORPG
  • Rom, a boss in the videogame Bloodborne
  • Read-Only Memory (publisher), a British publisher of art books related to the Britsoft era of video game development
  • Rom (album)

Places and structures

  • River Rom, England
  • Rom (river), Switzerland and Italy
  • Rom, Afghanistan, a village in Sar-e Pol province, Afghanistan
  • Rom, Deux-Sèvres, a commune in the Deux-Sèvres department in western France
  • Rom (Mecklenburg), a community in the district of Parchim, Mecklenburg-Vorpommern, Germany
  • Rom, a district of Morsbach in North Rhine-Westphalia, Germany
  • Rom, Iran, a village in South Khorasan Province, Iran
  • Royal Ontario Museum, a museum in Toronto, Ontario, Canada
  • The Rom, a skatepark in Hornchurch, East London, England
  • Romania (UNDP code: ROM)

Society

  • Rom (watangu walal), a system of customary law of the Yolngu people of Arnhem Land, Australia
  • ROM ceremony, a Yolngu ceremonial practice
  • Rom (plural Roma), one of the ethnic designations used by the Romani people
  • Romani language (ISO 639-2 & ISO 639-3 codes: ROM)

Other uses

  • Return on margin, a judge of performance based on the net gain or net loss compared to the perceived risk
  • Refuel On the Move, a DoD logistic action
  • Epistle to the Romans, a book of the Bible, commonly abbreviated to Rom