| 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) |