| 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) |