| Acronym | Definition |
|---|
| SDDT➣San Diego Daily Transcript (newspaper; San Diego, CA) |
| SDDT➣Step Draw-Down Test (oil exploration) |
| SDDT➣San Diego Dance Theater (San Diego, CA) |
| SDDT➣South Devon Diesel Traction (Buckfastleigh, Devon, England, UK) |
| SDDT➣Supplemental Descriptive Data Table |
| SDDT➣Short-Duration Dithranol Therapy (psoriasis therapy) |