| Acronym | Definition |
|---|
| PEG | Polyethylene Glycol |
| PEG | Performance Evaluation Guide (various locations) |
| PEG | Poly (Ethylene Glycol) |
| PEG | Piano Esecutivo di Gestione (Italian: Executive Management Plan) |
| PEG | Price to Earnings to Growth (stock price valuation ratio) |
| PEG | Percutaneous Endoscopic Gastrostomy |
| PEG | Private Equity Group |
| PEG | Performance Evaluation Group (various organizations) |
| PEG | Program Evaluation Group |
| PEG | Potential for Electricity Generation |
| PEG | Pinnacle Entertainment Group |
| PEG | Preferred Equipment Group (General Motors) |
| PEG | PCI Express Graphics |
| PEG | Phase Encode Grouping |
| PEG | Public Educational and Governmental |
| PEG | Protocol Expert Group |
| PEG | Portable Embedded Gui |
| PEG | Python Extensions for the Grid |
| PEG | Personal Electronic Organiser |
| PEG | Pan European Group |
| PEG | Paul-Ehrlich-Gesellschaft (German: Paul Ehrlich Society) |
| PEG | Physics Education Group (various locations) |
| PEG | Parsing Expression Grammar (computing) |
| PEG | Phoenix Entertainment Group |
| PEG | Political Economy Group |
| PEG | Project Engineering Group (UK) |
| PEG | Professional Engineers and Geoscientists (Canada) |
| PEG | Programmable Event Generator |
| PEG | Program Execution Group (US Army) |
| PEG | Powered Explicit Guidance (US NASA) |
| PEG | Pursuit-Evasion Game (mathematical challenge) |
| PEG | Professional Engineers in Government (division of NSPE) |
| PEG | Pneumoencephalography |
| PEG | Postsecondary Education Grant (Arizona) |
| PEG | Progress E-Mail Group |
| PEG | Public, Educational, and Government Access Television |
| PEG | Protection Engineers Group (USTA) |
| PEG | Pneumoencephalogram |
| PEG | Pricing and Ethical Guidelines |
| PEG | Perugia, Italy - Na (Airport Code) |
| PEG | Percutaneous Enteral Gastrostomy |
| PEG | Program Execution Guidance |
| PEG | Perpetual Energy Generator (Invader Zim) |
| PEG | Protocol Expert Group (Sun) |
| PEG | Program Evaluation Guide (USPS) |
| PEG | Potential Exposure Group |
| PEG | Program Executive Group |
| PEG | Process Excellence Group |
| PEG | Program Element Group |
| PEG | Prior Endorsements Guaranteed (business and finance) |
| PEG | Professional Entrepreneurs Group |
| PEG | Passive Edge Growth |
| PEG | Participatory Exercise Group |