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

Computers and mathematics

 * Android ROM, a file containing executable instructions of an Android OS
 * Read-only memory, a type of storage media that is 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
 * ROM (MUD), a popular MUD codebase

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

Fiction and entertainment

 * Ethan Rom, one of the Others in the TV series Lost
 * Rom (comics), 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, skatepark in Hornchurch, East London, England
 * Romania, UNDP code and former IOC code

Society

 * Rom (plural Roma), one of the ethnic designations used by the Romani people
 * rom, Romani language, language code ISO 639 alpha-2
 * Rom or ROM, system of Indigenous Australian customary law
 * ROM ceremony, a Yolngu ceremonial practice

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 Rom.