Apo

Apo or APO may refer to:

African Press Organization
Acting Pilot Officer, the lowest commissioned grade in the Royal Air Force
Acute Pulmomary Oedema, fluid accumulation on the lungs
African Political Organization, a Coloured political organization in early twentieth century South Africa
Alpha Phi Omega, a U.S. service fraternity
Apo, a god of mountains in Inca mythology
Serok Apo or Abdullah Öcalan, Kurdistan Workers Party leader
Apochromat, a type of photographic or other lens
Apoprotein, a protein without its bound cofactor
Apotex, Canadian pharmaceutical company, producer of generic drugs
Application Performance Optimization
Army Post Office, the United States armed forces postal service; See military mail
Association for Professional Observers, an association of fisheries observers
Außerparlamentarische Opposition, a political protest movement in West Germany during the 1960s and 1970s
Authorized Personnel Only, a fictional black ops unit on Alias
After Peak Oil, an epoch used in dating years following the estimated Peak of Global Oil Production

Places

Apo Island, a volcanic island in the Philippines
Mount Apo, a stratovolcano on the island of Mindanao in the Philippines
Karaš River or Apo, a tributary of the Danube in the Banat region of Serbia and Romania
Apo-eup, an eup in Gimcheon, Gyeongsangbuk-do, central South Korea
Apache Point Observatory, an observatory in the Sacramento Mountains in Sunspot, New Mexico, U.S.