DSIR
| Acronym | Definition |
|---|---|
| DSIR | Department of Scientific and Industrial Research (various countries) |
| DSIR | Division of Services and Intervention Research (US NIH) |
| DSIR | Defected Stepped-Impedance Resonator (electrical engineering) |
| DSIR | Designer of Small Interfering RNA (bioinformatics) |
| DSIR | Dance Self-Instruction Record |
| DSIR | Director Space and International Regulatory Activities (Canada) |
| DSIR | Demand-Side Increasing Returns |
| DSIR | Dead Skunk In Road |