| Acronym | Definition |
|---|
| DSFI➣Discrete Square Root Filter Information |
| DSFI➣Distributed Spacecraft Formation Initialization |
| DSFI➣Dual Stage Fuel Injection (motorcycles) |
| DSFI➣Danish Stream Fauna Index (Denmark) |
| DSFI➣Dual Sequential Fuel Injection (engine) |
| DSFI➣Derogatis Sexual Functioning Inventory (research questionnaire) |
| DSFI➣Dharma Samudera Fishing Industry (Indonesia) |
| DSFI➣Développement Service et Formation Internet (French: Internet Training and Development Service) |
| DSFI➣Doug Stewart Flight Instruction, Inc. (South Egremont, MA) |
| DSFI➣Detroit Summer Finance Institute (Detroit, MI) |
| DSFI➣Divine Science Federation International (St. Louis, MO) |