CPO can refer to: · Calgary Philharmonic Orchestra · Capital Punishment Organization, a 1990s rap duo · Certified Pre-Owned - a qualification for a used vehicle sold by dealers. · Certified Protection Officer - a certification indicating a level of skill and training for Security Officers, earned from the International Federation of Protection Officers · Certified Pool-Spa Operator - a National Swimming Pool Foundation Certification. · Chelsea Pitch Owners - an organisation which owns the naming rights of Chelsea Football Club and the Stamford Bridge freehold. · Chief Petty Officer - a military rank. · Chief Product Officer - an executive position in an organization responsible for product management. · Chief Privacy Officer - an executive position in an organization responsible for data security · Chief Post Office - main post office in a country/city/region. · Chief Process Office