| Acronym | Definition |
|---|
| DSIS | Double Stimulus Impairment Scale |
| DSIS | Distributed Support Information Standard |
| DSIS | Development Support Information Service (UNDP) |
| DSIS | Deep Seabed Intervention System |
| DSIS | Direct Seller Information System |
| DSIS | Directorate of Scientific Information Service (Canada) |
| DSIS | Danish Security and Intelligence Service |
| DSIS | DMO Standard Inquiry System |
| DSIS | DSCS SCF Interface System |
| DSIS | Draft Supplemental Impact Statement |
| DSIS | Dual Sound in Syncs (used to distribute stereo audio) |
| DSIS | Directeur des Services d'Incendie et de Secours |