GSIF
| Acronym | Definition |
|---|---|
| GSIF | Giga Sampler Interchange Format |
| GSIF | Good Shepherd International Fellowship (est. 1975) |
| GSIF | Global Science & Innovation Forum |
| GSIF | Georgian Social Investment Fund (Tbilisi, Georgia) |
| GSIF | Ground Station Interface Facility (EOS ground station high rate processing facility) |
| GSIF | Generalized Stress Intensity Factor |
| GSIF | Giga-Sampler-Inter-Face (TASCAM) |