APL is an abbreviation, acronym, or initialism that may refer to:
APL (named after the book A Programming Language) is a programming language developed in the 1960s by Kenneth E.
The APL programming language is distinctive in being symbolic rather than lexical: its primitives are denoted by symbols, not words.
The Lesser Treble-bar (Aplocera efformata) is a moth of the Geometridae family. It is known from Europe, Morocco and Anatolia.
Amyloid-like protein 2, also known as APLP2, is a protein that in humans is encoded by the APLP2 gene.
Aplastic anemia is a rare disease in which the bone marrow and the hematopoietic stem cells that reside there are damaged.
APL Logistics Ltd. (APLL) is a wholly owned subsidiary of Kintetsu World Express, Inc. (KWE), a Japan-based freight forwarding and transportation company.
Allan Pineda Lindo (born November 28, 1974), better known by his stage name apl.de.ap (pronounced "Apple Dee Ap"), is a Filipino American rapper, record producer, singer and musician best known as a member of the Grammy Award-winning hip hop group The Black Eyed Peas.
Aplysia dactylomela, common name the "spotted sea hare", is a species of large sea slug, a marine opisthobranch gastropod mollusc in the family Aplysiidae, the sea hares.
Aplatissa strangoides is a species of moth of the family Hepialidae. It is endemic to Brazil.