Mini:ATM
ATM, Asynchronous Transfer Mode, a telecommunications protocol used in computer networking
- ATM, Atmosphere a unit of pressure
- ATM, Automated teller machine
- Awareness Through Movement, a group lesson in the Feldenkrais method
- Able Toastmaster, used as a postnominal for people granted awards from Toastmasters International
- Active Traffic Management, a motorway scheme on the M42 in England
- Actun Tunichil Muknal, cave in Belize of interest in Mayan archaeology
- Adobe Type Manager, typeface management software from Adobe Systems
- Aggregate Trailer Mass, the total mass of a fully laden trailer
- Association of Teachers of Mathematics, a UK teacher organisation
- Air Traffic Management
- Azhagiya Tamil Magan, a Tamil film starring Vijay and Shriya Saran released in 2007.
- alempitasoinen mies, a "man of inferiour value". This Finnish WWW slang abbreviation refers to a man afflicted with the so-called Nice Guy Syndrome.
- Altamira Airport (IATA airport code "ATM"), an airport in Brazil
- Ataxia telangiectasia mutated, a protein kinase that plays a role in response to DNA damage
- Amateur telescope maker, a person who makes telescopes as a hobby
- Ass to mouth, a sexual act in which participants go directly from anal sex to fellatio
- ATM Gateway, Athlone, Tullamore, Mullingar Gateway or Midlands Gateway
- "At the moment", abbreviation in internet slang used in on-line conversations
- At-the-money, a term used in option pricing
- Andrew "Test" Martin, a retired Canadian professional wrestler
- ATM, Autoritat del Transport Metropolità