| Acronym | Definition |
|---|
| DSSI➣Digital Small Storage Interconnect |
| DSSI➣Diplôme en Sécurité des Systèmes d'Information (French: Diploma in Information Systems Security; Switzerland) |
| DSSI➣Disposable Soft Synth Interface (software) |
| DSSI➣Diversified Scientific Services, Inc. |
| DSSI➣Digital Storage Systems Interconnect |
| DSSI➣Data Systems and Software Inc. (Mahwah, NJ) |
| DSSI➣Dyspepsia Symptom Severity Index |
| DSSI➣Dead Sea Scrolls Institute (Trinity Western University, Canada) |
| DSSI➣Directions de la Sécurité des Systèmes d'Information (French: Information Systems Security Directorate) |
| DSSI➣Deep Surgical Site Infection |