| SIRB | S Identification And Record Book 
| Others |
| SIRB | s Identification Record Book
| Others |
| SIRB | Seafarers Identification and Record Book
| Others |
| SIRB | Senior's Information & Resource Bureau
| Others |
| SIRB | Seton Institutional Review Board
| Others |
| SIRB | Single Institution Review Board
| Others |
| SIRB | Single Institutional Review Board
| Others |
| SIRB | Siriraj Institutional Review Board
| Others |
| SIRB | Social Science/Behavioral/Education Institutional Review Board (Michigan State University)
| Others |
| SIRB | Software Industry Research Board
| Others |
| SIRB | System Implementation Review Board
| Others |