| Acronym | Definition |
|---|
| PES | Pro Evolution Soccer (computer and console game) |
| PES | Power Engineering Society (IEEE) |
| PES | Polyester (textile industry) |
| PES | Professional Engineering Services |
| PES | Physical and Environmental Sciences (various organizations) |
| PES | Power and Energy Society (IEEE) |
| PES | Preferred Educational Software |
| PES | Polyethersulfone |
| PES | Product Engineering Services |
| PES | Party of European Socialists |
| PES | Pure Energy Systems |
| PES | Pre-Employment Screening (background check) |
| PES | Processing Elements |
| PES | Program Editor Workspace |
| PES | Proposed Encryption Standard |
| PES | Poly Ellypsoid System |
| PES | Processor Enhancement Socket |
| PES | Parallel Enterprise Server |
| PES | Packetized Elementary Stream |
| PES | Performance Enhancement Specialist (National Academy of Sports Medicine) |
| PES | Potential Energy Surfaces |
| PES | Power and Energy Systems |
| PES | Parenting Education and Support (various locations) |
| PES | Professional Examination Service |
| PES | Packetized Elementary Stream (MPEG-2) |
| PES | Potential Energy Surface (physics) |
| PES | Payment for Environmental Services (environmental policy tool) |
| PES | Philosophy of Education Society |
| PES | Parameter Estimation (Groundwater Modeling Systems) |
| PES | Performance Enhancing Substance (drugs) |
| PES | Public Employment Services |
| PES | Provider Electronic Solutions (Medicaid) |
| PES | Program Evaluation Standards |
| PES | Programmable Electronic Systems |
| PES | Perryville Elementary School (Perryville, KY) |
| PES | P-Bit Errored Seconds |
| PES | Psychiatric Emergency Services |
| PES | Pentagon Education Services (est. 2001; India) |
| PES | Performance Evaluation System |
| PES | Pensioner Education Supplement (Australia) |
| PES | Photoemission Spectroscopy |
| PES | Physical Education and Sport |
| PES | Professional Education Services (Roseville, CA) |
| PES | Phi Eta Sigma (freshman honors society) |
| PES | Priority Ecosystems Science |
| PES | Pan-European Survey |
| PES | Production Equipment Sales (Sutliff Associates Incorporated) |
| PES | Proposed Encryption Standard (cryptography) |
| PES | Percepcao Extra-Sensorial (Portugese) |
| PES | Private Express Statutes (laws) |
| PES | Public Electricity Supplier |
| PES | Public Expenditure Survey |
| PES | Personal Earth Station (Hughes) |
| PES | Public Energy Solutions |
| PES | Planning and Evaluation Service |
| PES | Parish Episcopal School (Dallas, TX) |
| PES | Pediatric Exercise Science |
| PES | Price Elasticity of Supply (microeconomics) |
| PES | Photo-Electron Spectroscopy |
| PES | Process Engineering Suite |
| PES | Packaging Execution System (shipping) |
| PES | Protection of Endangered Species |
| PES | Preparedness Evaluation System (US DoD) |
| PES | Professional Employer Services |
| PES | Program Elementary Stream |
| PES | Positioning Error Signal |
| PES | Parti écologiste suisse |
| PES | Pacific Environmental Services, Inc. |
| PES | Participant Experience Survey |
| PES | Philippine Economic Society |
| PES | Palmetto Elementary School (Florida) |
| PES | Predictive Enterprise Services (IBM) |
| PES | Performance Engine Software, LLC |
| PES | Poquoson Elementary School (Virginia) |
| PES | Police Emerald Society |
| PES | Peoples Education Society |
| PES | Pôle Européen de Santé (European Health Center) |
| PES | Primary Energy Savings |
| PES | Public Executive Secretary (Church of Scientology) |
| PES | Pulaski Elementary School |
| PES | Portable Entertainment System |
| PES | Project Evaluation System |
| PES | Performance Excellence Series (various organizations) |
| PES | Physiotherapy and Exercise Science |
| PES | Performance Evaluation Sample |
| PES | Presseerklaerungen |
| PES | Project Executive Summary (USACE) |
| PES | Peace and Economic Security |
| PES | Publicações Evangélicas Selecionadas (Spanish, Brazil) |
| PES | Paradise Electro Stimulations, Inc. |
| PES | Professional Enterprise Solutions |
| PES | Professional Event Services |
| PES | Petrozavodsk, Russia - Petrozavodsk Airport (Airport Code) |
| PES | Polarized Electron Source |
| PES | Piedmont Education Services |
| PES | Plasma Emission Spectrometry |
| PES | Power Equipment Systems |
| PES | Sand Perch (FAO fish species code) |
| PES | Politická a Ekonomická Sociologie (Czech) |
| PES | Pilot Evaluation System |
| PES | Package Evaluation and Selection |
| PES | Potential Explosive Site |
| PES | Personal Effectiveness Seminar |
| PES | Positive Enable System |
| PES | Proposal and Estimate System |
| PES | Propreté, Environnement et Santé (Burundi) |
| PES | Problem, Etiology, Signs & Symptoms (medical diagnosis) |
| PES | Philomath Elementary School (Oregon) |
| PES | Professional Editorial Standards |
| PES | Population Estimates Survey |
| PES | PSTN Emulation Server |
| PES | Precision Energy Services, Inc. |
| PES | Pantheon Electronic Sports |
| PES | Particle Engine Simulation |
| PES | Presse Edition Services |
| PES | Productivity through Effective Supervision |
| PES | Paralyzed Evaporation System |
| PES | Payload Ejection System |
| PES | Precision Electronic Services, Inc. |
| PES | Pacific Educational Services, Inc. |
| PES | Parity Error Seconds |
| PES | Performance Engineered Systems, LLC |
| PES | Port and Environmental Safety |
| PES | Paneuropean Business Cooperation Schemes |
| PES | Projekt Erweiterte Selbständigkeit für Schulen |
| PES | Probability of Engagement Success |
| PES | Provincial Extension Service (Papua New Guinea) |
| PES | Platt Environmental Services (Oak Brook, IL) |
| PES | Prison Education Service |
| PES | Physical Exchange Specification |
| PES | Promotional Enhancing Services (Puerto Rico) |
| PES | Production Engineering Specification |
| PES | Parakeet Emotional Syndrome |
| PES | Prepositioned Equipment Storage |
| PES | Percentage Error Second |
| PES | Post Embolic Syndrome |
| PES | Program Element/Evaluation Summary |
| PES | Product Enhancement Specification |
| PES | Parallel Enterprise Servers (IBM) |
| PES | Premium Enterprise Services (Ciena) |