PCO
PCO is an abbreviation for:
- Pacific Coastal Airlines, a Canadian airline, headquartered in Vancouver, British Columbia to the ICAO code
- Partido da Causa Operária, a political party in Brazil
- Personal computer organization, a subsidiary of Hellmann Worldwide Logistics GmbH & Co. KG
- Personal Computer Oscilloscope, an oscilloscope, an instrument for the representation of the timing of a voltage
- Polycystic ovary syndrome, one of the most common metabolic disorders in women
- Professional Congress Organizer, such as an agency in the Meeting Industry (MICE )
- Public Call Office, public phones, which are usually operated at a small roadside stand, see India # telecom
- Disambiguation
- Abbreviation