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)