| Acronym | Definition |
|---|
| SIRB➣Site Investigation and Restoration Branch (Delaware) |
| SIRB➣Software Industry Research Board |
| SIRB➣Seafarer's Identification and Record Book (International Registries, Inc.) |
| SIRB➣Self Inflating Resuscitation Bag |
| SIRB➣Science Interface Relay Box |
| SIRB➣Social Science, Behavioral and Education Institutional Review Board (Michigan State University) |