CSIB
| 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) |