PGO may refer to:

Science and technology Phenylglyoxylic acid, a chemical Ponto-geniculo-occipital waves, found in the thalamus during REM sleep Profile-guided optimization, a computer compiler technique Pokémon Go, a mobile video game sometimes abbreviated as "PGo"

Transport PGO (Automobile), a French car manufacturer PGO Scooters, a Taiwanese motor scooter brand of Motive Power Industry Stevens Field (IATA code), an airport in Archuleta County, Colorado, United States

Other uses Persian Gulf Online Organization, a non-governmental organization The Association of Professional Geoscientists of Ontario

See also Pogo (disambiguation)