APR or Apr may refer to:

Economics

  • Annual percentage rate, the interest rate computed for an entire year
  • The term includes the nominal APR and the effective APR

Organizations

  • Agrarian Party of Russia, a left-wing political party in Russia
  • Alabama Public Radio
  • Algarve Pro Racing, Portuguese auto racing team
  • American Public Radio, now Public Radio International
  • Andy Petree Racing, stock car auto racing team
  • Appian Publications & Recordings
  • Armée Patriotique Rwandaise FC, Rwandan association football club
  • APR BBC, a Rwandan basketball club
  • Asia Pacific Rayon, Indonesian-based viscose-rayon producer
  • Asia-Pacific Scout Region (World Organization of the Scout Movement)
  • Apr (racing team), Japanese auto racing team

Technology

  • Acoustic paramagnetic resonance, a resonant absorption effect used in magnetic resonance spectroscopy
  • Acute phase reaction, a reaction due to the presence of inflammatory allergens
  • Advanced port replicator, a docking device
  • Ammonium perrhenate, a compound of rhenium
  • Apache Portable Runtime, a library for the Apache web server
  • ARP poison routing, spoofing of the address resolution protocol (ARP)
  • Brügger & Thomet APR, the Advanced Precision Rifle, a Swiss sniper rifle
  • The APR-1400 and APR+ advanced pressurized reactor, a series of South Korean pressurized water nuclear reactors
  • Air-Purifying Respirator
  • Automatic program repair
  • Automated Pain Recognition

Other uses

  • Abdominoperineal resection
  • Academic Progress Rate, an NCAA (National Collegiate Athletic Association) guideline
  • Accreditation in Public Relations
  • Acute phase reactant, a class of proteins
  • Adleman–Pomerance–Rumely primality test to check whether a given number is prime
  • African Peer Review Mechanism, an African Union self-monitoring mechanism
  • Alberta Prairie Railway Excursions
  • Alternative Press Review, a left-wing American political magazine
  • April, as an abbreviation for the fourth month of the year in the Gregorian calendar
  • The Chief Scouts' Advance Party Report, a review of Scouting that took place in the UK in 1966
  • A retired US Navy hull classification symbol: Convoy rescue craft (APR)
  • Anuppur Junction railway station (station code: APR), Chhattisgarh, India