| Abbreviation | Definition |
|---|---|
| PDV | Pressure Disconnect Valve |
| PE | Petroleum Engineering |
| PE | Protected Environment |
| PE | Professional Engineer |
| PE | Performance Evaluation |
| PE | Person Equivalent |
| PE | Punctuation Editor |
| PE | Physical Extent |
| PE | Project Engineer |
| PE | Perkin Elmer |
| PE | Professional Engineers |
| PEA | Push Effective Address |
| PEA | Push Effective Absolute |
| PEA | Practice Edi Administrator |
| PEACE | Protection of Environment for Achieving Clean Earth |
| PEACE | People Everywhere Are Created Equal |
| PEAP | Personal Egress Air Packs |
| PEARL | Performance Evaluation And Reporting Logic |
| PEARS | Personal Effort And Responsibility System |
| PEARS | Professional Employment And Resource Solutions |
| PEB | Plant and Environmental Biotechnology |
| PEB | Performance Evaluation Board |
| PEC | Projects and Equipment Corporation |
| PEC | Punjab Engineering College |
| PEC | Post Enumeration Checks |
| PECC | Pacific Economic Cooperation Council |
| PED | Pediatrician |
| PED | Platform Equipment Deck |
| PED | Payload Element Developer |
| PEEK | Polyether Ether Ketone |
| PEER | Program For Enhanced Early Retirement |
| PEERS | Performance Effort Efficiency Recognition And Selection |
| PEF | Preferred Executable File |
| PEFO | Payload Effects Follow-on Study |
| PEG | Powered Explicit Guidance |
| PEG | Percutaneous Endoscopic Gastrostomy |
| PEH | Physical Education And Sport Science |
| PEH | Polyphenylene Ether Homopolymer |
| PEHC | Punch Extra Holes in Cards |
| PEHG | Payload Ethernet Hub Gateway |
| PEI | Push Effective Indirect |
| PEI | Push Effective Index |
| PEI | Primary Engine Instrumentation |
| PEI | Personal Experience Inventory |
| PEIR | Project Equipment Inspection Record |
| PEJ | Percutaneous Endoscopic Jejunostomy |
| PEKK | Polyether Ketone Ketone |
| PEL | Precision Elastic Limit |
| PEM | Professional Event Management |
| PEM | Plant Engineering and Maintenance |