Pao or PAO may refer to: Fiction Pao-chan, a character from the Japanese magical girl anime television series, Ojamajo Doremi Pao, setting of The Languages of Pao, a science fiction novel by Jack Vance Pao, a Rebel commando in the film Rogue One: A Star Wars Story People Pao Ching-yen (also spelled Bao Jingyan), a Chinese anarchist philosopher who presumably lived in the early fourth century C.E. Yih-Ho Michael Pao, an American entrepreneur and hydro-engineer Pa'O people, an ethnic group in Burma Pao language (disambiguation) Ellen Pao, American lawyer and former Reddit executive Yue-Kong Pao, Hong Kong businessman Places Barangay Pao, an administrative division of Manaoag, Pangasinan PAO, the IATA airport code for Palo Alto Airport, Santa Clara County Pao River, a tributary of the Chi River in northeast Thailand Pao, Trakan Phuet Phon, Ubon Ratchathani Province, Thailand Pão de Açúcar, Alagoas, a municipality located in the Brazilian state of Alagoas Paoli station, an Amtrak and SEPTA train station in Paoli, Pennsylvania (Amtrak station code) Sugarloaf Mountain, a mountain in Rio de Janeiro, Pão de Açúcar in Portuguese Technology Process-Architecture-Optimization, the new 3-generation CPU manufacturing process replacing Intel's tick–tock model Organizations PAO, the ICAO code for Polynesian Airlines Panathinaikos A.O., a Greek multisport club Panhellenic Liberation Organization, a Greek resistance organization against the Axis occupation of Greece. Prince Alfred's Own, a historic name for the Cape Field Artillery Public Affairs Office Ming Pao, a Chinese newspaper Science Pao (genus), a genus of pufferfishes Pao (unit), an obsolete unit of mass and (especially) dry measure in South Asia Phased-array optics Pheophorbide a oxygenase, an enzyme Pierre Auger Observatory Polyalphaolefin, a type of polyolefin made from alpha-olefin monomer(s) Polyphosphate-accumulating organism Other uses Pao (袍), an element of Han Chinese clothing Pão de queijo, a Brazilian cheesy bread A fairy chess piece Nissan Pao, an automobile PeriAcetabular Osteotomy, a surgery used to correct a condition called hip dysplasia or acetabular dysplasia Period-after-opening symbol found on cosmetics products Public affairs (military) Officer, or PAO, within the U.S. military Person-Action-Object (PAO), a technique often used in memory training and by memory athletes See also Pau (disambiguation) Pav (disambiguation) Bao (disambiguation) Language and nationality disambiguation pages