| Acronym | Definition |
|---|
| RETP➣Regime Especial de Trabalho Policial (Portuguese: Special Arrangements for Police Work; Brazil) |
| RETP➣Registro de Emissão e Transferência de Poluentes (Portuguese: Pollutant Release and Transfer Registration; Brazil) |
| RETP➣Reserve Entry Training Plan (Canadian military) |
| RETP➣Regents Engineering Transfer Program |
| RETP➣Rural Electrification and Transmission Project (development project; Cambodia) |
| RETP➣Real Estate Transport Protocol (Internet-based messaging system) |
| RETP➣Rytu Energetikos Tinklu Projektai (Lithuanian: Eastern Energy Network) |
| RETP➣Replacement Effluent Treatment Plant (UK) |
| RETP➣Real Education through Travel (India) |
| RETP➣Rural Electrification and Telecommunications Program (Yukon, Canada) |
| RETP➣Renewable Energy Technology Program (Natural Resources Canada) |
| RETP➣Reliability Evaluation Test Procedure |