Dom may refer to:
- Dom (mountain), a mountain in the Swiss Alps
- Dom (title), a title of respect, derived from Latin Dominus
- Dom people, an ethnic group in the Middle East
- Domba or Dom, an ethnic group of India
- Dom Tower of Utrecht, a tower in Utrecht, the Netherlands
- Dom Pérignon (wine), a notable champagne
- Kölner Dom, Cologne Cathedral in Germany
- Dom (film), a 1958 Polish film
- MS-09 Dom, a mobile suit in the anime film Mobile Suit Gundam
DOM may be an acronym for:
- Days on market, how many days since a piece of real estate was listed for sale
- Deo Optimo Maximo, Latin for "to the Greatest and Best God", originally Jove, later the Christian God
- Differential object marking, a linguistic phenomenon
- Directed ortho metalation, a chemical reaction mechanism
- Disk on module, an alternative to traditional computer hard disks
- Document Object Model, a way to refer to XML or HTML elements as objects
- Dominion of Melchizedek (DoM), a micronation known largely for facilitating large scale banking fraud in many parts of the world
- Tubing (material), Drawn-Over-Mandrel is a principal process for manufacturing tube
- Overseas department or Département d'outre-mer (D.O.M.), French overseas département
- D.O.M. (restaurant), a restaurant in São Paulo, Brazil
- DOM/STP, a psychedelic hallucinogenic drug
- Melville Hall Airport, DOM, the IATA airport code
People with the name