| Acronym | Definition |
|---|
| OPTD➣Occupational Projections and Training Data (Bureau of Labor Statistics; US DOL) |
| OPTD➣Outside Petting the Dog (chat slang) |
| OPTD➣Orascom Projects and Touristic Development (Egypt) |
| OPTD➣Opel Performance Team Dachau (car club; Dachau, Germany) |
| OPTD➣Operational Prognostics Technology Demonstration |