| Acronym | Definition |
|---|
| SDDP | Short Datagram Delivery Protocol |
| SDDP | South Dakota Democratic Party (political group; Sioux Falls, SD) |
| SDDP | Stochastic Dual Dynamic Programming |
| SDDP | Services Development and Delivery Process (US Air Force) |
| SDDP | Structured Dialogic Design Process |
| SDDP | Statutory Dismissal and Disciplinary Procedure |
| SDDP | Segment, Deflect and Drop Policy (IEEE) |
| SDDP | Solar Dynamic Demonstration Project |
| SDDP | Service Data Description Protocol |
| SDDP | Swedish Deep Drilling Program |
| SDDP | Systematic Design and Development Process (Parker Hannifin Corporation) |
| SDDP | Standard Design and Development Process (Parker Hannifin Corporation) |