SIOF
| Acronym | Definition |
|---|---|
| SIOF | Scalable Input Output Facility |
| SIOF | Static Initialization Order Fiasco (C++ programming design problem) |
| SIOF | Shanghai International Optics Fair (China) |
| SIOF | Societa Italiana Ossidi Ferro (Italian: Italian Iron Oxides Company) |
| SIOF | State Industries of the Future (US Department of Energy) |
| SIOF | Sydney International Orchid Fair (Australia) |