Apt may refer to:
Apt Pupil is a 1998 American thriller film directed by Bryan Singer and starring Ian McKellen and Brad Renfro.
In the 10th edition of Systema Naturae, Carl Linnaeus classified the arthropods, including insects, arachnids and crustaceans, among his class "Insecta".
Aptamers (from the Latin aptus - fit, and Greek meros - part) are oligonucleotide or peptide molecules that bind to a specific target molecule.
aptosid is a desktop-oriented operating system based on the "unstable" branch of Debian, which uses the codename Sid.
The Aptian is an age in the geologic timescale or a stage in the stratigraphic column. It is a subdivision of the Early or Lower Cretaceous epoch or series and encompasses the time from 125.0 ± 1.0 Ma to 113.0 ± 1.0 Ma (million years ago), approximately.
Aptoide is a distributed marketplace for mobile applications which runs on the Android operating system.
Aptos is a census-designated place (CDP) in Santa Cruz County, California, United States. The population was 6,220 at the 2010 census.