SFRB
| Acronym | Definition |
|---|---|
| SFRB | Small Flat Rate Box (shipping) |
| SFRB | Student Fee Review Board (various schools) |
| SFRB | Student Faculty Review Board (various schools) |
| SFRB | Sugar Free Red Bull (energy drink) |
| SFRB | Scavengeable Feed Resource Base (agriculture) |
| SFRB | Soft-Funded Research Bursary (University of Ottawa, Ontario, Canada) |