| Acronym | Definition |
|---|
| CPO | Chief Petty Officer (US Navy) |
| CPO | Chief Privacy Officer (corporate title) |
| CPO | Chief Procurement Officer (corporate title) |
| CPO | Certified Pre-Owned (automobiles) |
| CPO | Commodity Pool Operator |
| CPO | Crude Palm Oil |
| CPO | Cost Per Order (advertising) |
| CPO | Compulsory Purchase Order |
| CPO | Calgary Philharmonic Orchestra |
| CPO | Czech Philharmonic Orchestra |
| CPO | Certified Pool Operator |
| CPO | Civilian Personnel Office |
| CPO | Chief Performance Officer (marketing) |
| CPO | Crime Prevention Officer (UK) |
| CPO | Coproporphyrinogen Oxidase |
| CPO | Complete Partial Order (domain theory/theoretical computer science/order theory) |
| CPO | Chief People Officer (aka Director of Human Resources) |
| CPO | Certified Prosthetist Orthotist (ABC) |
| CPO | Certified Protection Officer |
| CPO | Corrections Program Office |
| CPO | Community Punishment Order (UK criminal system) |
| CPO | China Philharmonic Orchestra |
| CPO | Code Practice Oscillator (Morse code learning device for ham radio operators) |
| CPO | Certified Paraoptometric |
| CPO | Cape Philharmonic Orchestra |
| CPO | Community Post Office (rural Postal Service outlet) |
| CPO | Chief Post Office |
| CPO | Chemical Protective Overgarment |
| CPO | Centre de Protontherapie d'Orsay |
| CPO | Campus Post Office |
| CPO | Civilian Personnel Online (US DoD) |
| CPO | Country Programme Outline |
| CPO | Central Procurement Office |
| CPO | Core Project Office |
| CPO | Central Payments Office |
| CPO | Community Properties of Ohio (Columbus, OH) |
| CPO | Consumer Protection Office |
| CPO | Certified Project Officer |
| CPO | Chief Party Officer |
| CPO | Close Protection Operative |
| CPO | Coalition for Photonics and Optics |
| CPO | Conditional Purchase Offer |
| CPO | County Planning Officer |
| CPO | Command Post Operations |
| CPO | Cleveland Philharmonic Orchestra |
| CPO | Chief Political Officer |
| CPO | complete provisions only (US DoD) |
| CPO | Cadet Programs Officer |
| CPO | Communications Program Officer |
| CPO | Civilian Post Office (Canada Post) |
| CPO | Central Policy Office |
| CPO | Commercial Pesticide Operator |
| CPO | Colne Philharmonic Orchestra |
| CPO | Cook Post Office (Rutgers College) |
| CPO | Chester Philharmonic Orchestra |
| CPO | Core Process Optimization |
| CPO | Cost Per Output |
| CPO | Consolidated Planning Order |
| CPO | Convergent Pricing Object |
| CPO | Chloropyrifos Oxon |
| CPO | Control Post Operator |
| CPO | Component Pilot Overhaul |
| CPO | Collateralized Portfolio Obligation |
| CPO | Current Purchase Option |
| CPO | Customer Payment Order (banking) |
| CPO | California Pops Orchestra (Palo Alto, CA) |
| CPO | Change Package Order |