| PREP | Pahrump Real Estate Professional 
| Others |
| PREP | Parish Religious Education Program
| Others |
| PREP | Park Ridge Emergency Planning
| Others |
| PREP | Partnering Resources to Encourage Productivity
| Others |
| PREP | Partnerships for Regional Economic Performance
| Others |
| PREP | Pass Reading Enhancement Program
| Others |
| PREP | Patience Responsibility Empathy and Partnership
| Others |
| PREP | Pediatrics Review and Education Program
| Others |
| PREP | Peer Recovery Empowerment Program
| Others |
| PREP | Perfectly Retarded Egotistic People
| Others |
| PREP | Personal Responsibility Education Process
| Others |
| PREP | Personal Responsibility Education Program
| Others |
| PREP | Piece of Reasonably Ebony Populars
| Others |
| PREP | Piscataqua Region Estuaries Partnership
| Others |
| PREP | Point Rating Evaluation Plan
| Others |
| PREP | Point Reason Example and Point
| Others |
| PREP | Point Reason Example Point
| Others |
| PREP | Point, Rationale, Examples, and Point
| Others |
| PREP | Point, Reason, Example, Point
| Others |
| PREP | Post Registration Education and Practice
| Others |
| PREP | Post Registration Education Practice
| Others |
| PREP | Post-Baccalaureate Research Education Program
| Others |
| PREP | Postbaccalaureate Research Education Program
| Others |
| PREP | Potentially Reduced Exposure Product
| Others |
| PREP | Power Pc Reference Platform
| Others |
| PReP | PowerPC Reference Platform
| Others |
| PREP | Practical Resources for Education Professionals
| Others |
| PREP | Prawn Roll and Egg Pancakes
| Others |
| PrEP | Pre-Exposure Prophylaxis
| Others |
| PREP | Precision Repeatable Engineering Process
| Others |
| PREP | Preparation and Reflection for Engaged Partners
| Others |
| Prep | Preparatory school
| Others |
| PREP | Prepare Return Evaluate Protect
| Others |
| Prep | Prepare/Preparation
| Others |
| PREP | Preparing Resourcing Encouraging and Praising
| Others |
| Prep | Preposition
| Others |
| PREP | Preposizione
| Others |
| PREP | Prevention and Recovery in Early Psychosis
| Others |
| PREP | Prevention and Relationship Enhancement Program
| Others |
| PREP | Prevention of Reading Early Problems
| Others |
| PREP | Prevention Relationship Enhancement Program
| Others |
| PREP | Preview Registration and Environment Program (University of Louisiana at Monroe)
| Others |
| PREP | Prisoners' Reading Encouragement Project
| Others |
| PREP | Process Energetics Program
| Others |
| PREP | Product Repair Evaluation Program
| Others |
| PREP | Provenance Research Exchange
| Others |
| PREP | Public Readiness and Emergency Preparedness
| Others |