| SEDP | SAISD Extended Day Program 
| Others |
| SEDP | Scientist and Engineer Development Program
| Others |
| SEDP | Seasonal Effluent Discharge Program
| Others |
| SEDP | Secondary Education Development Plan
| Others |
| SEDP | Secondary Education Development Program
| Others |
| SEDP | Shiawassee Economic Development Partnership
| Others |
| SEDP | Small Enterprise Design Profile
| Others |
| SEDP | Socio Economic Development Plan
| Others |
| SEDP | Socio-Economic Development Plan
| Others |
| SEDP | Special Education and Disability Policy
| Others |
| SEDP | Strategic Economic Development Plan
| Others |
| SEDP | Strategic Engineering Development Program
| Others |
| SEDP | Strategic European Deployment Plan
| Others |
| SEDP | Sustainable Energy Development Project
| Others |
| SEDP | Systems Engineering Development Plan
| Others |