Apo or APO may refer to:

People, figures, characters

  • Acting Pilot Officer, the lowest commissioned grade in the Royal Air Force
  • Apo, along with Datu, one of the traditional Philippine titles of nobility; meaning "elder"
  • Apo, a god of mountains in Inca mythology

Persons

  • Abdullah Öcalan (born 1949), a founding member of Kurdistan Workers' Party (PKK)
  • Apo Avedissian (born 1990), Armenian-American artist

Places

  • Apache Point Observatory, an observatory in the Sacramento Mountains in Sunspot, New Mexico, United States
  • Apo-eup, an administrative division (eup) in Gimcheon, Gyeongsangbuk-do, central South Korea
  • Apo Island, a volcanic island in the Philippines
  • Apo (island), a coral reef island in the Philippines
  • Lake Apo is a crater lake in Barangay Guinoyoran in the city of Valencia in Bukidnon province in the Philippines
  • Karaš River or Apo, a tributary of the Danube in the Banat region of Serbia and Romania
  • Mount Apo, a stratovolcano on the island of Mindanao in the Philippines
  • Antonio Roldán Betancourt Airport IATA code, Apartadó, Columbia

Music

  • ABS-CBN Philharmonic Orchestra
  • Aldworth Philharmonic Orchestra, the orchestra of Reading Blue Coat School
  • APO Hiking Society, a Filipino singing group
  • Armenian Philharmonic Orchestra
  • Auckland Philharmonia Orchestra

Businesses and organizations

  • African People's Organisation, a political organization for Coloured people in early twentieth century South Africa
  • Alpha Phi Omega, a U.S. service fraternity
  • Alpha Psi Omega, a U.S. honors theatre society
  • Analysis & Policy Observatory (APO) (formerly Australian Policy Online), a digital library of policy and practice resources
  • Apotex, Canadian pharmaceutical company, producer of generic drugs
  • Association for Professional Observers, an association of fisheries observers
  • , a political protest movement in West Germany during the 1960s and 1970s

Other

  • Acute pulmonary oedema, fluid accumulation on the lungs
  • Apo (drink), an alcoholic beverage of Northeast India
  • Apochromat, a type of photographic or other lens
  • Apoprotein (disambiguation), a protein without its bound cofactor
  • Audio Processing Object
  • Army Post Office: chiefly U.S. Army and U.S. Air Force postal facilities
  • Authorized Personnel Only, a fictional black ops unit on Alias
  • Alternative Public Offering

See also

  • Apolipoprotein, lipid-binding protein
  • AP0 (disambiguation)
  • APU (disambiguation)