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 ''Datu'' is a title which denotes the rulers (variously described in historical accounts as chiefs, sovereign princes, and monarchs) of numerous Indigenous peoples throughout the Philippine archipelago. The title is still used today, though no ...

, one of the traditional Philippine titles of nobility; meaning "elder" * Apo, a god of mountains in

Inca mythology Inca mythology of the Inca Empire was based on pre-Inca beliefs that can be found in the Huarochirí Manuscript, and in pre-Inca cultures including Chavín, Paracas, Moche, and the Nazca culture. The mythology informed and supported Inca re ...

Persons

Abdullah Öcalan Abdullah Öcalan ( ; ; born 4 April 1948 or 1949), also known as Apo (short for Abdullah in Turkish; Kurdish for "uncle"), is a founding member of the militant Kurdistan Workers' Party (PKK). Öcalan was based in Syria from 1979 to 1998. He ...

(born 1949), a founding member of Kurdistan Workers' Party (PKK) *

Apo Avedissian Apo Avedissian (born 24 July 1990 in Baghdad, Iraq) is an Iraqi-American artist of Armenian descent, often working in film-making, painting, photography, and writing. Avedissian’s writing portfolio most notably includes the autobiographical b ...

(born 1990), Armenian-American artist

Places

Apache Point Observatory The Apache Point Observatory (APO; obs. code: 705) is an astronomical observatory located in the Sacramento Mountains in Sunspot, New Mexico, United States, approximately south of Cloudcroft. The observatory is operated by New Mexico State Un ...

, 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 Apo Island is a volcanic island covering 74 hectares in land area, 7 kilometers off the southeastern tip of Negros Island and 30 kilometers south of the Negros Oriental capital of Dumaguete in the Philippines. The name "Apo" means "elder" or "re ...

, a volcanic island in the Philippines * Apo (island), a coral reef island in the Philippines *

Lake Apo Lake Apo is a crater lake in Barangay Guinoyoran in the city of Valencia in Bukidnon province in the Philippines. It is located in a hilly area about in elevation, about WSW of the city ''poblacion'' (town center). Lake Apo was awarded the clea ...

is a crater lake in Barangay Guinoyoran in the city of Valencia in Bukidnon province in the Philippines *

Karaš River The Karaš (in Serbian language, Serbian, also Cyrillic: Караш) or Caraș (in Romanian language, Romanian) is a long river in the Banat region of Vojvodina, Serbia and Romania and a left tributary of the Danube. The Karaš drains an area o ...

or Apo, a tributary of the Danube in the Banat region of Serbia and Romania *

Mount Apo Mount Apo is the highest mountain peak in the Philippines, with an elevation of above sea level. A large solfataric, dormant stratovolcano, it is part of the Apo-Talomo Mountain Range of Mindanao island. Apo is situated on the tripartite b ...

, a stratovolcano on the island of Mindanao in the Philippines *

Antonio Roldán Betancourt Airport Antonio is a masculine given name of Etruscan origin deriving from the root name Antonius. It is a common name among Romance language–speaking populations as well as the Balkans and Lusophone Africa. It has been among the top 400 most popular ...

IATA code, Apartadó, Columbia

Music

* ABS-CBN Philharmonic Orchestra * Aldworth Philharmonic Orchestra, the orchestra of

Reading Blue Coat School Reading Blue Coat School is a co-educational private day school in Holme Park, Sonning, Berkshire. It is situated beside the River Thames, and was established in 1646 by Richard Aldworth, who named it "Aldworth's Hospital". Aldworth founded ...

* APO Hiking Society, a Filipino singing group *

Armenian Philharmonic Orchestra The Armenian National Philharmonic Orchestra (''ANPO'') (Armenian language, Armenian: Հայաստանի ազգային ֆիլհարմոնիկ նվագախումբ) is the national orchestra of Armenia. It was founded in 1925 as a symphony orchest ...

Auckland Philharmonia Orchestra The Auckland Philharmonia (formerly Auckland Philharmonia Orchestra, APO) is a symphony orchestra based in Auckland, New Zealand. Its principal concert venue is the Auckland Town Hall, and it is also the accompanying ensemble for Auckland stage ...

Businesses and organizations

African People's Organisation The African People's Organisation (APO), also known by its original name African Political Organisation was a Coloured political organisation in early-20th-century South Africa. Founded in Cape Town in 1902, the organisation rallied South African ...

, a political organization for Coloured people in early twentieth century South Africa *

Alpha Phi Omega Alpha Phi Omega (), commonly known as APO, but also A-Phi-O and A-Phi-Q, is a national Mixed-sex education, coeducational Service fraternities and sororities, service Fraternities and sororities, fraternity. It is the largest College fraterniti ...

, a U.S. service fraternity *

Alpha Psi Omega Alpha Psi Omega National Theatre Honor Society () is an American recognition fraternity for participants in collegiate theatre. History Alpha Psi Omega The ''Alpha Cast'' (Alpha Psi Omega's term for "chapter") was founded at Fairmont State ...

, a U.S. honors theatre society *

Analysis & Policy Observatory Analysis & Policy Observatory (APO) is a not-for-profit open access repository or digital library, specialising in public policy grey literature, mainly from Australia and New Zealand, with some coverage of other countries. Formerly known as Austr ...

(APO) (formerly Australian Policy Online), a digital library of policy and practice resources *

Apotex Apotex Inc. is a Canadian pharmaceutical corporation. Founded in 1974 by Barry Sherman, the company is the largest producer of generic drugs in Canada, with annual sales exceeding . By 2023, Apotex employed close to 8,000 people as Canada's large ...

, Canadian pharmaceutical company, producer of generic drugs *

Association for Professional Observers The Association for Professional Observers (APO) is an association that monitors fisheries observers. It is the first association of fisheries observers. Aim The Association for Professional Observers is a non-governmental organization aiming t ...

, an association of fisheries observers * , a political protest movement in West Germany during the 1960s and 1970s

Other

Acute pulmonary oedema Pulmonary edema (British English: oedema), also known as pulmonary congestion, is excessive fluid accumulation in the tissue or air spaces (usually alveoli) of the lungs. This leads to impaired gas exchange, most often leading to shortness o ...

, fluid accumulation on the lungs *

Apo (drink) Apo, apong, or ''poka'' is an alcohol drink commonly found among the Tani tribes in the Northeast India states of Arunachal Pradesh and Assam. It is prepared by fermentation of rice. It is known by various names across different tribes in Arun ...

, an alcoholic beverage of Northeast India *

Apochromat An apochromat, or apochromatic lens (apo), is a photographic or other lens that has better correction of chromatic and spherical aberration than the much more common achromat lenses. The prefix ''apo-'' comes from the Greek preposition ''ἀ ...

, a type of photographic or other lens *

Apoprotein (disambiguation) Apoprotein may refer to: *Apoenzyme, the protein part of an enzyme without its characteristic prosthetic group *Apolipoprotein Apolipoproteins are proteins that bind lipids (oil-soluble substances such as fats, cholesterol and fat soluble vit ...

, a protein without its bound cofactor *

Army Post Office Military mail, as opposed to civilian mail, refers to the postal services provided by armed forces that allow serving members to send and receive mail. Military mail systems are often subsidized to ensure that military mail does not cost the send ...

: chiefly U.S. Army and U.S. Air Force postal facilities *

Authorized Personnel Only The following is a list of organizations in the TV series, '' Alias''. Alliance of Twelve The Alliance of Twelve is a fictional international organized crime group in the television series '' Alias''. It is involved in the trade of intelligenc ...