BII
- B11 (disambiguation)
- B2 (disambiguation)
- BLL (disambiguation)
- Bank Maybank Indonesia
- Basel Institute for Immunology
- Bii (singer)
- Bikini Atoll Airport
- Birds International Incorporated
- Bisu language
- Biyelgee
- Breast implant illness
- British Institute of Innkeeping
- British International Investment
- Business interoperability interface
- U1 (Berlin U-Bahn)