| Acronym | Definition |
|---|
| DESI➣Direction de l'Enseignement de Service en Informatique (French: Directorate of Education in Computer Service; Canada) |
| DESI➣Drug Efficacy Study Implementation |
| DESI➣Desorption Electrospray Ionization |
| DESI➣Diplôme d'Etudes Supérieures d'Instituteur (French: Graduate Teaching Diploma; various universities) |
| DESI➣Department of Economic and Social Information (Estonia) |
| DESI➣Division for Economic and Social Information (UN) |
| DESI➣Digital End-Speed Indicator |
| DESI➣Davenport Educational System, Incorporated |
| DESI➣Duke Energy Solutions, Inc. |