# Apt

Apt. is an abbreviation for apartment.
Apt or APT may also refer to:

## Arts, entertainment and media

* Apt. (album), a 2006 album by Chilean singer Nicole
* "Apt." (song), a 2024 song by Rosé and Bruno Mars
* Apt. (film), a 2006 South Korean horror film
* Apt, a literary journal published by Aforementioned Productions
* APT Entertainment, a film production company in the Philippines
* Apt Pupil, a novella by Stephen King, originally published in the 1982
** Apt Pupil (film), a 1998 film based on Stephen King's eponymous novel
* Apt Records, a subsidiary record label of ABC-Paramount Records
* Alabama Public Television, a network of PBS member stations in Alabama, U.S.A.
* American Players Theatre, a classical theater located in Spring Green, Wisconsin
* American Public Television, a television program provider in the United States

## Computing and software

* APT (programming language) (Automatically Programmed Tool), a high-level computer programming language
* APT (software), Debian's high-level package management system, also used by other Linux-based operating systems
* Almost Plain Text, or Doxia, a wiki-like syntax used mainly by Apache Maven
* Annotation processing tool, a utility for executing annotation processors in the Java programming language
* Advanced persistent threat, a set of stealthy, continuous and especially state-sponsored computer hacking threat actors
* Applied Predictive Technologies, a statistical business analysis software company
* Advanced Programming Techniques Ltd., creators of the Command CICS software product

## Finance

* Automated Payment Transaction tax, a proposal to replace all taxes with a single tax on each and every transaction in the economy
* Artist Pension Trust, an investment program designed for artists
* Arbitrage pricing theory, a general theory of asset pricing

## People

* Jerome Apt (born 1949), Ph.D., an American astronaut
* Leonard Apt, inventor of the Apt test
* Milburn G. Apt (1924–1956), US test pilot

## Places

* Apt Cathedral, a former cathedral, and national monument of France, in the town of Apt in Provence
* Apt, Vaucluse, a commune of the Vaucluse département of France
* Arrondissement of Apt, an arrondissement in the Vaucluse département of France
* Canton of Apt, France
* Opatów, a town in Poland, called "Apt" in the Yiddish language

## Science and medicine

* Ammonium paratungstate, a tungsten-based chemical compound
* Atom-probe tomography, an atomic-resolution microscopy technique
* Attached proton test, a technique used in carbon-13 nuclear magnetic resonance spectroscopy
* Automatic picture transmission, a weather satellite system
* Anterior pelvic tilt
* Acyl-protein thioesterase, an enzyme family that cleaves cysteine thioesters

## Transportation

* Advanced Passenger Train, a tilting passenger train designed and built during the late 1970s by British Rail
* Association for Public Transportation, a Boston-based nonprofit organization
* Australian Pacific Touring, an Australian tour operator

## Others

* Apt (Egyptian), may refer to several deities or to a location in Egypt
* Apt (Martian crater)
* Apt test, a medical test used to differentiate fetal or neonatal blood from maternal blood
* Apt meteorite of 1803, a meteorite which fell in Provence-Alpes-Côte d'Azur, France
* American Perimeter Trail, a proposed trail system in the continental United States
* Animation photo transfer process (APT process), a process used in animation
* Applied Probability Trust, a UK-based non-profit-making foundation for study and research in the mathematical sciences
* APT assault rifle
* ASEAN Plus Three, the Association of Southeast Asian Nations plus China, South Korea, and Japan
* Asia-Pacific Telecommunity, an intergovernmental organisation concerning communications technology
* The Asia Pacific Triennial, a major art exhibition at the Gallery of Modern Art, Brisbane, Australia
* Asian Poker Tour, a major poker tour focusing on the Asia-Pacific region
* Association for Preservation Technology International
* Association for Psychological Therapies, a provider of accreditation and training for mental health professionals
* Armor Piercing-Tracer(AP-T) - Armour Piercing ammunition with tracer