| Acronym | Definition |
|---|
| PCE | path computation element |
| PCE | Partido Comunista de Espana (Communist Party of Spain) |
| PCE | Personal Consumption Expenditures |
| PCE | Professional Continuing Education |
| PCE | Perchloroethylene (CAS Number 127-18-4) |
| PCE | Process Control Equipment (various locations) |
| PCE | Processor Controller Element |
| PCE | Package Collection Editor |
| PCE | Phase Corrected Equalizer |
| PCE | Presentation Connection Endpoint |
| PCE | Portable Computing Environment |
| PCE | Parliamentary Commissioner for the Environment (New Zealand) |
| PCE | Physical Capacity Evaluation (physical therapy) |
| PCE | Pyrometric Cone Equivalent |
| PCE | Programmatic Categorical Exclusion (various organizations) |
| PCE | Power Conversion Efficiency (electronics) |
| PCE | Pollution Control Equipment |
| PCE | Pure Consciousness Event (psychology) |
| PCE | Price Comparison Engine |
| PCE | Professional and Community Education (various schools) |
| PCE | Permitting, Compliance and Enforcement (various locations) |
| PCE | Peru, Colombia, Ecuador |
| PCE | Process Control Engineering |
| PCE | Parents for Choice in Education (Utah) |
| PCE | Psychologie Cognitive et Ergonomique (French: Cognitive Psychology and Ergonomics) |
| PCE | Pseudocholinesterase (enzyme) |
| PCE | Protective Clothing and Equipment |
| PCE | Perchloroethane (aka tetrachloroethane) |
| PCE | Pattern Class Extension |
| PCE | Patient Care Evaluation |
| PCE | Patrol Escort |
| PCE | Polymers Center of Excellence |
| PCE | Post-Conflict Environment |
| PCE | Project Cost Estimate (USACE) |
| PCE | Preliminary Cost Estimate |
| PCE | Primary Constituent Element (species survival) |
| PCE | Perez Consulting Engineers (McAllen, TX) |
| PCE | Private Character Editor |
| PCE | Pre-existing Condition Exclusion (health insurance) |
| PCE | Process Centered Environment |
| PCE | Personal Computing Environment |
| PCE | Power Control Error |
| PCE | Professional Competency Examination |
| PCE | Peak-To-Correlation Energy |
| PCE | Partial Compliance Evaluation |
| PCE | Power Conditioning Equipment |
| PCE | Pork Chop Express (gaming clan) |
| PCE | Parametric Cost Estimating |
| PCE | Program Cost Estimate |
| PCE | Power Control Electronics |
| PCE | Power Conversion Equipment |
| PCE | Power Conversion Electronics |
| PCE | Potential Compensable Event |
| PCE | Particulate Control Experiment |
| PCE | Permanent Channel Easement |
| PCE | Payload Control Electronics |
| PCE | Path Characteristics Estimation |
| PCE | Price to Cash Earnings |
| PCE | Para Club Elsenborn (skydiving club) |
| PCE | Priority-based Control Engineering (Dublin, OH) |
| PCE | Portable Cryptologic Equipment |
| PCE | Process Communications Engineer |
| PCE | PLRS Communications Enhancement |
| PCE | Profit-Center Earnings |
| PCE | Pre-Code Only |
| PCE | Porsche Club of Estonia |
| PCE | Primary Control Element |
| PCE | Percent Competition Exceeded |
| PCE | Preliminary Combat Entity |
| PCE | Prechambered Explosive |
| PCE | Pure Concentrated Evil (Internet slang) |