;in Computers and Mathematics
- Read-only Memory , a class of storage media used in computers and other electronic devices
- ROM Image , a computer file which contains a copy of the data from a read-only memory chip
- ROM (MUD) , a popular MUD codebase
- Random Oracle , as in "random oracle model", a mathematical abstraction used in cryptographic proofs
;in Society and Geography
- Rom, Deux-Sèvres , France, a commune in the Deux-Sèvres ''département''
- Rom River , in Val Müstair, Switzerland
- Roma People , whose members are called "Rom" (or "Gypsy")
- Romany Language (ISO 639 alpha-2 designation, "rom"), language of the Roma people
- Romania , "ROM" being the International Olympic Committee abbreviation for the country
- Rome , Italy, called "Rom" in German and Swedish
- Royal Ontario Museum , a museum located in Toronto, Ontario, Canada
;in Entertainment
- Rom (Star Trek) , a fictional character in the ''Star Trek'' universe, specifically associated with ''Star Trek: Deep Space 9''
- Rom The Spaceknight , a fictional character from the Marvel Comics universe
;in other senses
|