| Acronym | Definition |
|---|
| DPSI | Data Partitioned Secondary Index |
| DPSI | Diversified Protection Systems, Inc. (Anaheim, CA) |
| DPSI | Diploma in Public Service Interpreting |
| DPSI | Data-Partitioned Secondary Index (IBM) |
| DPSI | Dash Point Software, Inc. (Seattle, WA) |
| DPSI | Dots Per Square Inch |
| DPSI | Dutch Periodontal Screening Index (dentistry) |
| DPSI | Document de Politique et des Stratégies Industrielles (French: Document Policy and Industrial Strategies) |
| DPSI | Dynamic Process Solutions, Incorporated |
| DPSI | Distributed and Pervasive Systems Initiative (UK) |