- CAIB stands for Columbia Accident Investigation Board (NASA)
- CAIB stands for Canadian Accredited Insurance Broker
- CAIB stands for Community Action Information Board
- CAIB stands for Caribbean Association of Indigenous Banks, Inc.
- CAIB stands for California Association of Independent Business, Inc.
- CAIB stands for Certified Associate of the Institute of Bankers (academic degree; South Africa)
- CAIB stands for Canadian Aerosol Information Bureau
- CAIB stands for Computer-Anwendungs- und Industrie-Beratungs-GmbH
- CAIB stands for Credit Agricole Indosuez Belgique
- CAIB stands for California Associated Insurance Brokers (San Francisco, CA)
CAIB