Apt. is an abbreviation for

apartment An apartment (American English, Canadian English), flat (British English, Indian English, South African English), tenement (Scots English), or unit (Australian English) is a self-contained housing unit (a type of residential real estate) that ...

. 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 APT Entertainment, Inc. is a Philippine television and film production company based in Pasig. It was founded by TAPE's co-founder Antonio Tuviera in 1994. The company was best known for producing ''Eat Bulaga!'', the country's longest-running ...

, a film production company in the Philippines * ''

Apt Pupil ''Apt Pupil'' (1982) is a novella by Stephen King subtitled "Summer of Corruption", originally published in the 1982 novella collection '' Different Seasons'' with a more dramatic bent, rather than the horror fiction for which King is famous. ''A ...

'', 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 Alabama Public Television (APT) is a state network of PBS member television stations serving the U.S. state of Alabama. It is operated by the Alabama Educational Television Commission (AETC), an agency of the Government of Alabama, Alabama stat ...

, a network of PBS member stations in Alabama, U.S.A. *

American Players Theatre American Players Theatre is an American classical theatrical troupe and theater complex located near Spring Green, Wisconsin. It has been called the best classical theater company in the United States by the late ''Wall Street Journal'' drama ...

, a classical theater located in Spring Green, Wisconsin *

American Public Television American Public Television (APT) is an American nonprofit organization and syndicator of programming for public television stations in the United States. It distributes public television programs nationwide for PBS member stations and indepen ...

, a television program provider in the United States

Computing and software

APT (programming language) APT (Automatically Programmed Tool) is a high-level computer programming language most commonly used to generate instructions for numerically controlled machine tools. Douglas T. Ross is considered by many to be the father of APT: as head of th ...

(Automatically Programmed Tool), a high-level computer programming language *

APT (software) Advanced Package Tool (APT) is a free-software user interface that works with core libraries to handle the installation and removal of software on Debian and Debian-based Linux distributions. APT simplifies the process of managing software on ...

, Debian's high-level package management system, also used by other Linux-based operating systems *

Almost Plain Text Doxia is a content generation framework that provides its users with powerful techniques for generating static and dynamic content. Doxia can be used in web-based publishing context to generate static sites, in addition to being incorporated into ...

, 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 An advanced persistent threat (APT) is a stealthy threat actor, typically a State (polity), state or state-sponsored group, which gains unauthorized access to a computer network and remains undetected for an extended period. In recent times, the ...

, a set of stealthy, continuous and especially state-sponsored computer hacking threat actors *

Applied Predictive Technologies Applied Predictive Technologies (APT) is an American software company that produces test and learn software used for business analytics. The company was founded in 1999, and was acquired by Mastercard in 2015. History APT was founded in Decemb ...

, a statistical business analysis software company * Advanced Programming Techniques Ltd., creators of the

Command CICS Command CICS or Command-CICS is a software product that allows organizations to migrate from "Macro level" CICS to "Command level" CICS without any re-programming so that companies could migrate to later versions of CICS that did not support macro ...

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 The Artist Pension Trust (APT), which merged into the MutualArt Group in 2016, is an investment vehicle specializing in contemporary art, which aims to provide financial security and international exposure to selected artists chosen by its intern ...

, an investment program designed for artists *

Arbitrage pricing theory In finance, arbitrage pricing theory (APT) is a multi-factor model for asset pricing which relates various macro-economic (systematic) risk variables to the pricing of financial assets. Proposed by economist Stephen Ross (economist), Stephen Ross i ...

, a general theory of asset pricing

People

Jerome Apt Jerome "Jay" Apt III (born April 28, 1949) is an American astronaut and professor at Carnegie Mellon University. Before becoming an astronaut, Apt was a physicist who worked on the Pioneer Venus 1978 space probe project, and used visible light an ...

(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 Apt Cathedral (''Cathédrale Sainte-Anne d'Apt'') is a Roman Catholic church building, church and former cathedral located in the town of Apt, Vaucluse, Apt in Provence, France now designated as a Monument historique, national monument. The shrin ...

, a former cathedral, and national monument of France, in the town of Apt in Provence *

Apt, Vaucluse Apt (; Provençal dialect, Provençal Occitan language, Occitan: ''At / Ate'' in both classical and Mistralian norms) is a Communes of France, commune in the Vaucluse Departments of France, department in the Provence-Alpes-Côte d'Azur Regions of ...

, a commune of the Vaucluse département of France *

Arrondissement of Apt The arrondissement of Apt is an arrondissement of France in the Vaucluse department in the Provence-Alpes-Côte d'Azur region. It has 57 communes. Its population is 127,891 (2021), and its area is . Composition The communes of the arrondissement ...

, an arrondissement in the Vaucluse département of France *

Canton of Apt The canton d'Apt is a French administrative division in the department of Vaucluse and region Provence-Alpes-Côte d'Azur. Composition At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 13 to 27 ...

, France *

Opatów Opatów (; ) is a town in southeastern Poland, within Opatów County in the Świętokrzyskie Voivodeship (Holy Cross Province). Historically, it was part of a greater region called Lesser Poland. In 2012 the population was 6,658. Opatów is located ...

, a town in Poland, called "Apt" in the Yiddish language

Science and medicine

Ammonium paratungstate Ammonium paratungstate (or APT) is a white crystalline salt (chemistry), salt with the chemical formula (NH4)10(H2W12O42)·4H2O. It is described as "the most important raw material for all other tungsten products." Production From tungsten ores T ...

, a tungsten-based chemical compound *

Atom-probe tomography The atom probe was introduced at th14th Field Emission Symposium in 1967by Erwin Wilhelm Müller and J. A. Panitz. It combined a field ion microscope with a mass spectrometer having a single particle detection capability and, for the first time ...

, 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 Pelvic tilt is the orientation of the pelvis The pelvis (: pelves or pelvises) is the lower part of an Anatomy, anatomical Trunk (anatomy), trunk, between the human abdomen, abdomen and the thighs (sometimes also called pelvic region), toge ...

Acyl-protein thioesterase Acyl-protein thioesterases are enzymes that cleave off Lipid-anchored protein, lipid Post-translational modification, modifications on proteins, located on the sulfur atom of cysteine residues linked via a thioester bond. Acyl-protein thioesterase ...

, an enzyme family that cleaves cysteine thioesters

Transportation

Advanced Passenger Train The Advanced Passenger Train (APT) was a tilting high speed train developed by British Rail during the 1970s and early 1980s, for use on the West Coast Main Line (WCML). The WCML contains many curves, and the APT pioneered the concept of active ...

, 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 Australian Pacific Touring (APT) is an Australian tour and river cruising operator with worldwide reach. History Alfred William (Bill) McGeary was born in 1900 in Victoria. A fitter and turner by trade, McGeary bought, re-built and sold cars ...

, an Australian tour operator

Others

* Apt (Egyptian), may refer to several deities or to a location in Egypt * Apt (Martian crater) *

Apt test The alkali denaturation test, also known as A or Apt test, is a medical test used to differentiate fetal or neonatal blood from maternal blood found in a newborn's stool or vomit, or from maternal vaginal blood. History The test was developed by ...

, 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 Provence-Alpes-Côte d'Azur (commonly shortened to PACA), also known as Région Sud, is one of the eighteen Regions of France, administrative regions of France, located at the far southeastern point of the Metropolitan France, mainland. The main P ...

, France *

American Perimeter Trail The American Perimeter Trail (APT) is a proposed hiking trail system that circumnavigates the continental United States. The proposed trail system integrates existing trails such as the Pacific Crest Trail, Appalachian Trail, and portions of th ...

, 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 Project Abakan was a Soviet/Russian advanced assault rifle program in rival to the US Advanced Combat Rifle that took place between 1980 and 1994. History The 1960s ushered a new generation of assault rifles with the introduction of smaller cal ...

ASEAN Plus Three The Association of Southeast Asian Nations, commonly abbreviated as ASEAN, is a regional grouping of 10 states in Southeast Asia "that aims to promote economic and security cooperation among its ten members." Together, its member states re ...

, the Association of Southeast Asian Nations plus China, South Korea, and Japan *

Asia-Pacific Telecommunity The Asia-Pacific Telecommunity (APT) was founded on the joint initiatives of the United Nations Economic and Social Commission for Asia and the Pacific (UNESCAP) and the International Telecommunication Union (ITU). The APT was established b ...

, an intergovernmental organisation concerning communications technology * The Asia Pacific Triennial, a major art exhibition at the

Gallery of Modern Art, Brisbane The Gallery of Modern Art (GOMA) is an art museum located within the Queensland Cultural Centre in the South Bank precinct of Brisbane, Queensland, Australia. The gallery is part of QAGOMA. Opened on 2 December 2006, the GOMA is Australia's l ...

, Australia * Asian Poker Tour, a major poker tour focusing on the Asia-Pacific region *

Association for Preservation Technology International The Association for Preservation Technology International (APT) is a not-for-profit, multidisciplinary, membership organization dedicated to promoting the best technology for conserving and preserving historic structures and their settings. Founded ...

* Association for Psychological Therapies, a provider of accreditation and training for mental health professionals * Armor Piercing-Tracer(AP-T) -

Armour Piercing Armour-piercing ammunition (AP) is a type of projectile designed to penetrate armour protection, most often including naval armour, body armour, and vehicle armour. The first, major application of armour-piercing projectiles was to defeat the t ...

ammunition with tracer