AP explained

AP, Ap, A&P, or A/P may refer to:

Arts, entertainment and media

"AP" (song), by Pop Smoke, 2021
Action point, a video game term
AP, a character in animated TV series Atomic Puppet
"A&P" (short story), by John Updike, 1961
Alternative Press (magazine), an American entertainment magazine
Ang Pamantasan, a Philippine student publication
Palatine Anthology, or Anthologia Palatina, a collection of Ancient Greek poems
Amiga Power, a defunct video games magazine

Academic Press, an American academic publisher
Amalgamated Press, a former British newspaper and magazine publishing company
Associated Press, an American news agency
A&P, the Great Atlantic & Pacific Tea Company, a former American chain of grocery stores
- A&P Canada, former supermarket chain
A&P Group, a British ship repair company
Austin & Pickersgill, a British shipbuilding company
Air One, an Italian airline, IATA code AP
Atlantic and Pacific Railroad, in the United States
Audemars Piguet, Swiss watchmaker
Automotive Products, a former British company

AP (rapper) (Yohann Duport, born 1979), French rapper
Arthur Paul Harper (1865–1955), New Zealand lawyer, mountaineer, explorer, businessman, known as AP
Welsh: ap ('son of'), part of a Welsh patronymic
a/p ('daughter of'), in Malaysian Indian names

AP, an alternative characterization of PSPACE In computational complexity theory
Wireless access point, or access point, a networking hardware device
Address plus Port (A+P), a technique for sharing IPv4 addresses

All Purpose, a common grade of wheat flour
Ap (water), a Vedic Sanskrit term
ap, a classical abbreviation for ad pedes or aedilitia potestate
AP, a classification symbol for an auxiliary of the United States Navy
AP and variants, several medical abbreviations
A&P mechanic, an aircraft maintenance technician with airframe and powerplant ratings
Absolute pitch, the ability to identify a musical note without a reference tone
Accounts payable, in accounting * Advanced Placement, North American program offering college-level courses at schools
Adjective phrase, a phrase whose head is an adjective
Agricultural and Pastoral Shows, in New Zealand
Attachment parenting, a parenting philosophy
Hungarian adópengő, a former currency, symbol AP