SIB
- Duty Now for the Future
- New Zealand Defence Force
- Savings and Investment Bank
- School of International Business
- Scientex Incorporated Berhad
- Securities and Investments Board
- Seeb, Oman
- Sekolah Indonesia Bangkok
- Self-injurious behaviour
- Service Implementation Bean
- Sib (anthropology)
- Sib RNA
- Sib, Khuzestan
- Sibiti Airport
- Sidang Injil Borneo
- Simple biosphere model
- Sinar Indonesia Baru
- Social Investment Business
- South Indian Bank
- Special Investigation Branch
- Special Investigations Bureau (disambiguation)
- Student Welfare Organisation in Bergen
- Sunny Isles Beach
- Swiss Institute of Bioinformatics
- Systems in Blue