BSIB
| Acronym | Definition |
|---|---|
| BSIB | Bachelor of Science in International Business |
| BSIB | Birth Sibling (adoption) |
| BSIB | Brakke-Schafnitz Insurance Brokers, Inc. (Laguna Niguel, CA) |
| BSIB | British Society for International Bibliography (est. 1927) |
| BSIB | Boy Scout International Bureau |