SIBC
| Acronym | Definition |
|---|---|
| SIBC | Surface Impedance Boundary Condition |
| SIBC | Solomon Islands Broadcasting Corporation (public TV; Solomon Islands) |
| SIBC | Skeeter Ice Boat Club |
| SIBC | Standard Impedance Boundary Condition |
| SIBC | Seaway International Bridge Corporation (Canada) |
| SIBC | Shetland Islands Broadcasting Company (UK) |
| SIBC | Space Industrial Base Council (US DoD) |
| SIBC | Seoul International Baptist Church (Seoul, South Korea) |
| SIBC | Shell Island Beach Club (timeshare resort; Sanibel Island, FL) |