APA may refer to:
Apartheid (ZA pronunciation: /əˈpɑːrteɪd/; Afrikaans: [ɐˈpɐrtɦəit]) was a system of institutionalised racial segregation and discrimination in South Africa between 1948 and 1991, when it was abolished.
An apartment (in American and Canadian English) or a flat (in British English) is a self-contained housing unit (a type of residential real estate) that occupies only part of a building, correctly, on a single level without a stair.
The Apache (/əˈpætʃiː/; French: [a.paʃ]) are culturally related Native American tribes from the Southwestern United States, and have traditionally lived in: Eastern Arizona, Northern Mexico (Sonora and Chihuahua), New Mexico, West Texas, and Southern Colorado.
Apache Subversion (often abbreviated SVN, after its command name svn) is a software versioning and revision control system distributed as open source under the Apache License.
The Apache Software Foundation /əˈpætʃiː/ (ASF) is an American non-profit corporation (classified as 501(c)(3) in the United States) to support Apache software projects, including the Apache HTTP Server.
Apathy is a lack of feeling, emotion, interest, and concern. Apathy is a state of indifference, or the suppression of emotions such as concern, excitement, motivation, and/or passion.
Apatosaurus (/əˌpætəˈsɔːrəs/; meaning "deceptive lizard") is a genus of extinct sauropod dinosaurs that lived in North America during the Late Jurassic period.
The system of racial segregation in South Africa known as apartheid was implemented and enforced by a large number of acts and other laws.
The Apache HTTP Server, colloquially called Apache (/əˈpætʃiː/ ə-PA-chee), is the world's most used web server software.