| Acronym | Definition |
|---|
| CSIB➣City Savings and Investment Bank (Namibia) |
| CSIB➣Center for Stable Isotope Biogeochemistry (analytical research facility; University of California, Berkeley) |
| CSIB➣Credit Suisse Information Bus (Switzerland) |
| CSIB➣Cold Sore Information Bureau (UK) |
| CSIB➣Customer Service and Information Branch (British Columbia, Canada) |