| SFSB | San Francisco Sea Buoy 
| Others |
| SFSB | San Francisco Speakers Bureau (San Francisco, CA)
| Others |
| SFSB | Scholarship Foundation of Santa Barbara
| Others |
| SFSB | School and Family Support Bureau
| Others |
| SFSB | Set Front Side Bus
| Others |
| SFSB | Shared File Synchronization Block
| Others |
| SFSB | Simple Financial Site Builder (software)
| Others |
| SFSB | Siphon Feed Sandblaster (construction machinery)
| Others |
| SFSB | Solutions for Small Business
| Others |
| SFSB | Standard Foxhound Stud Book
| Others |
| SFSB | State Forensic Science Bureau
| Others |
| SFSB | Stateful Session Bean (Java)
| Others |
| SFSB | Strategic Finance for Smaller Businesses (Harvard University; Cambridge, MA)
| Others |
| SFSB | Strojarski Fakultet Slavonski Brod
| Others |
| SFSB | Student Financial Services Bureau
| Others |