ATP

ATP may refer to:

• Adenosine triphosphate, coenzyme used as an energy carrier in the cells of all known organisms; the process in which energy is moved throughout the cell
• Association of Tennis Professionals, international men's professional tennis association

Commerce

• Available-to-promise, a business function that provides a response to customer order enquiries

Companies and organizations

• American Technical Publishers, an employee-owned publishing company located in Orland Park, Illinois
• Associated Talking Pictures, a British film studio of the 1930s later renamed as Ealing Studios
• Association for Transpersonal Psychology, a psychological organization
• ATP architects engineers, an international architecture and engineering office for integrated design
• ATP Oil and Gas, a Texas-based oil and gas company that operates in the Gulf of Mexico and the North Sea

Music and theater

• Adenosine Tri-Phosphate (band), a Japanese alternative rock/pop band
• All Tomorrow's Parties (music festival), a music festival which takes place in Great Britain
• Alberta Theatre Projects, a Canadian theatre production company
• ATP Recordings, a record label affiliated with the All Tomorrow's Parties festival

Technology

• Accidental Tech Podcast (atp.fm), hosted by Marco Arment, John Siracusa and Casey Liss
• Automated theorem proving, the proving of mathematical theorems by a computer program
• Advanced Technology Program, a United States government program
• Alberta Taciuk process, thermal retorting technology for extracting oil from oil sands, oil shale, and oil contaminated soils / sludges

Transport

• Airline Transport Pilot License, a type of pilot's license
• ATP Flight School, a flight training school with multiple locations throughout the United States.
• ATP (treaty), the 1970 Agreement on the International Carriage of Perishable Foodstuffs and on the Special Equipment to be used for such Carriage
• Automatic Train Protection, a British train protection system
• BAe ATP, a British Aerospace turboprop passenger aircraft designed for the short range market
• ATP, IATA airport code of Aitape Airport in Papua New Guinea

Other

• Anantapur, Andhra Pradesh, a city in Andhra Pradesh, India
• Anantapur district, a district in Andhra Pradesh, India
• Arbejdsmarkedets Tillægspension, the largest pension program in Denmark
• Armenia Tree Project, a non-profit organization promoting Armenia's socioeconomic development through reforestation