PGO

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

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