| Acronym | Definition |
|---|
| PCO➣Photocatalytic Oxidation |
| PCO➣Professional Conference Organizer |
| PCO➣Privy Council Office (Canada, UK, Senior Government Office) |
| PCO➣Pest Control Operator |
| PCO➣Program Controlled Output |
| PCO➣Point of Control and Observation |
| PCO➣Public Carriage Office (licence; UK) |
| PCO➣Procurement Contracting Officer |
| PCO➣Pulp Canal Obliteration (dentistry) |
| PCO➣Professional Congress Organizer (hospitality industry) |
| PCO➣Pennsylvania College of Optometry (Elkins Park, Pennsylvania) |
| PCO➣Provisional Constitutional Order |
| PCO➣Put and Call Option (agreement) |
| PCO➣Public Call Office |
| PCO➣Posterior Capsular Opacification (ophthalmology) |
| PCO➣Project and Contracting Office (US DoD) |
| PCO➣Primary Care Office |
| PCO➣Prospective Commanding Officer |
| PCO➣Proanthocyanidin |
| PCO➣Poly Cystic Ovarian (syndrome/disease) |
| PCO➣Parliamentary Counsel Office (various countries) |
| PCO➣Planning and Coordination Office (various organizations) |
| PCO➣Poste de Commandement Opérationnel (French: Operational Command Post) |
| PCO➣Process Control Outlet (various locations) |
| PCO➣Point of Control and Observation (TTCN) |
| PCO➣Pension Commission of Ontario (Canada) |
| PCO➣Pleasure Craft Operator (Canada) |
| PCO➣Private Cable Operator |
| PCO➣Phone Cards Online |
| PCO➣Program Coordination Office |
| PCO➣Proposed Change Order |
| PCO➣Philharmonic Chamber Orchestra |
| PCO➣Police Communications Officer |
| PCO➣Project Control Office |
| PCO➣Protective Order Conditions (NCIC form datum) |
| PCO➣Potential Change Order (construction management) |
| PCO➣Pathology Coordinating Office (various locations) |
| PCO➣Procyanidolic Oligomer (flavonoid) |
| PCO➣Principal Contracting Officer |
| PCO➣Peabody Concert Orchestra (Baltimore, MD) |
| PCO➣Procuring Contract Officer |
| PCO➣Pittsburgh Civic Orchestra |
| PCO➣Power Control Optimization |
| PCO➣Primary Control Officer |
| PCO➣Peg Count and Overflow |
| PCO➣Provincial Cultural Organization |
| PCO➣Plant Control Office (Hekimian) |
| PCO➣Primary Care Optimization |
| PCO➣Publications Control Officer |
| PCO➣Product Coverage Outline (testing) |
| PCO➣Product Change Order |
| PCO➣Property Custodial Officer (US NIH) |
| PCO➣Property Control Office (USMC) |
| PCO➣Printing Control Officer |
| PCO➣Portsmouth Community Orchestra (Portsmouth, OH) |
| PCO➣Production Change Order (legal document required to make changes in production of a product) |
| PCO➣Policy and Communication Office |
| PCO➣Police Control Office |
| PCO➣Planned Carryover |
| PCO➣Pre-Conditioned Order (Ciena) |
| PCO➣Perturbational Crystal Orbital |
| PCO➣Procedure Change Order |
| PCO➣Physician Contracting Organization |
| PCO➣People Capability Office |
| PCO➣Procurement Change Order |
| PCO➣Poinciana Civic Organization |
| PCO➣Primary Credit Officer |
| PCO➣Principal Controlling Officer |
| PCO➣Prerelease Change Order |
| PCO➣Paging Channel Operation |
| PCO➣Program Contracting Office/Officer |
| PCO➣Program Control Office/Officer |
| PCO➣Plant Control Operations (telecommunications) |
| PCO➣Purchasing Contracting Office |
| PCO➣Privat Charter Ostsee (German: Private Charter Baltic Sea) |
| PCO➣Public Call Outlet |
| PCO➣Progress in Combinatorial Optimization |
| PCO➣Professional Conduct and Opportunities |