| Acronym | Definition |
|---|
| DASI | Degree Angular Scale Interferometer |
| DASI | Duke Activity Status Index (cardiac disease questionnaire) |
| DASI | Diffusion des Arts et des Savoirs par l'Image (French: Diffusion of Arts and Knowledge Through the Image; Lumière University Lyon 2; France) |
| DASI | Defence and Systems Institute (Australia) |
| DASI | Digital Altimeter Setting Indicator |
| DASI | Dial Access Signaling Interface |
| DASI | Diversified Aero Services, Inc. (Miami, FL; est. 1993) |
| DASI | Domestic Abuse and Sexual Assault Intervention Services (Newton, NJ) |
| DASI | Distributed Array of Small Instruments (space weather research) |
| DASI | Dial Access Service Interface |
| DASI | Development Agency for Social Improvement (India) |
| DASI | Devotees Associating with Spiritual Intent (religious group) |
| DASI | Dutch Australian Society, Illawarra (est. 1952; Australia) |