| Acronym | Definition |
|---|
| DELTA | International Workshop on Electronic Design, Test, and Applications (IEEE) |
| DELTA | Diploma in English Language Teaching to Adults (University of Cambridge, UK) |
| DELTA | Distance Education and Learning Technology Applications (various organizations) |
| DELTA | Documentação de Estudos em Lingüística Teórica e Aplicada |
| DELTA | Danish Electronics, Light & Acoustics (Danish test lab) |
| DELTA | Description Language for Taxonomy |
| DELTA | Deaf Education Through Listening and Talking (UK) |
| DELTA | Defense Loan and Technical Assistance |
| DELTA | Development of European Learning Through Technological Advance |
| DELTA | Dortmund Electron Accelerator (University of Dortmund, Germany) |
| DELTA | Dietary Effects on Lipoproteins and Thrombogenic Activity (study) |
| DELTA | Direct Electronic Links for Tender Administration |
| DELTA | Daily Employee Log of Time and Activities |
| DELTA | Detailed Labor and Time Analysis |
| DELTA | Drone Experiment Laser Test Assessment |
| DELTA | UK Royal Flight Ground Command |
| DELTA | Derbyshire Learning and Technology Access (UK) |
| DELTA | Distinguished Elite Light Tactical Attachment (gaming clan) |