| Acronym | Definition |
|---|
| SIEP➣Service d'Information sur les Etudes et les Professions (Belgium) |
| SIEP➣Shell International Exploration and Production |
| SIEP➣Social Investment and Employment Promotion Project (World Bank) |
| SIEP➣Serum Immunoelectrophoresis |
| SIEP➣Senior Intelligence Executive Professional (US DoD) |
| SIEP➣Survey Instrument Exchange Program |
| SIEP➣Security Is Everyone's Problem |