| PEEC | Pacific Environmental Education Center 
| Others |
| PEEC | Pajarito Environmental Education Center
| Others |
| PEEC | Parramatta Easy English Congregation
| Others |
| PEEC | Partial element equivalent circuit
| Others |
| PEEC | Pocono Environmental Education Center
| Others |
| PEEC | Power Energy Education Committee
| Others |
| PEEC | Power Engineering Education Committee
| Others |
| PEEC | Precourt Energy Efficiency Center
| Others |
| PEEC | Primary Evaluation of Essential Criteria
| Others |
| PEEC | Private Exchange Evaluation Collaborative
| Others |
| PEEC | Profession Expertise Environments and Call
| Others |
| PEEC | Professional Ethics Executive Committee
| Others |
| PEEC | Program in Ecology Evolution and Conservation
| Others |
| PEEC | Programmable Electronic Engine Control
| Others |
| PEEC | Psychiatric Emergency and Evaluation Center
| Others |
| PEEC | Psychiatric Emergency Evaluation Center
| Others |