- CAHB stands for Confédération Africaine de Handball (French: African Handball Confederation; est. 1973)
- CAHB stands for Colorado Association of Home Builders
- CAHB stands for Communauté d’Agglomération des Hauts de Bièvre (French: Agglomeration Community of Hauts de Bievre; Hauts-de-Seine, France)
- CAHB stands for Commerce Asset-Holding Berhad (Malaysia)
- CAHB stands for Chronic Active Hepatitis B
- CAHB stands for Colorado Aspen Home Builders, Inc. (Central City, CO)
- CAHB stands for Callahan Associates Holdings Belgium
- CAHB stands for Centre Ambulancier du Haut Bocage (French: Haut Bocage Ambulance Center; Haut Bocage, Vendee, France)
- CAHB stands for Charge-Assisted Hydrogen Bonding
CAHB