SIRF
| Acronym | Definition |
|---|---|
| SIRF | Shiba Inu Rescue of Florida (dogs) |
| SIRF | Stockton International Riverside Festival (UK) |
| SIRF | Silicon Monolithic Integrated Circuits in RF Systems (IEEE Workshop) |
| SIRF | Strategic Industry Research Foundation |
| SIRF | Sistema Italiano di Rilevamento Fulmini (Italian) |
| SIRF | Spiral Inductor Resonator Filter |
| SIRF | Sajju Institute and Research Foundation (Nigeria) |