ATP may refer to:

• Adenosine triphosphate, coenzyme used as an energy carrier in the cells of all known organisms
• Adenosine Tri-Phosphate (band), a Japanese alternative rock/pop band
• Association of Tennis Professionals, a men's professional tennis association
• Arbejdsmarkedets Till gspension, the largest pension program in Denmark
• ATP Oil and Gas, a Texas-based oil and gas company that operates in the Gulf of Mexico and the North Sea
• 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
• Airline Transport Pilot License, a type of pilot's license
• BAe ATP, a British Aerospace turboprop passenger aircraft designed for the short range market
• Automatic Train Protection, a British train protection system
• Automated theorem proving, the proving of mathematical theorems by a computer program
• Advanced Technology Program, a United States Government program
• American Technical Publishers, an employee-owned publishing company located in Orland Park, Illinois
• ATP, IATA airport code of Aitape Airport in Papua New Guinea

bg: bs:ATP ( vor) ca:ATP cs:ATP da:ATP de:ATP et:ATP es:ATP eo:ATP eu:ATP (argipena) fa:ATP fr:ATP gl:ATP ko:ATP hr:ATP id:ATP it:ATP jv:ATP lb:ATP hu:ATP (egy rtelm s t lap) ms:ATP nl:ATP ja:ATP no:ATP (andre betydninger) pl:ATP pt:ATP ro:ATP ru:ATP ( ) stq:ATP sk:ATP sl:ATP sr: sh:ATP fi:ATP sv:ATP th:ATP tr:ATP vi:ATP zh:ATP