- CAFB stands for Capital Area Food Bank (Washington, DC)
- CAFB stands for Columbus Air Force Base (Mississippi)
- CAFB stands for Charleston Air Force Base (South Carolina)
- CAFB stands for Cannon Air Force Base (New Mexico)
- CAFB stands for Certificat d’Aptitude aux Fonctions de Bibliothécaire (French: Certificate of Aptitude for Library Functions)
- CAFB stands for Child, Adolescent, and Family Branch (Federal Center for Mental Health Services)
- CAFB stands for Creech Air Force Base (Nevada)
- CAFB stands for Carswell Air Force Base (Texas; now closed)
- CAFB stands for Chemically Active Fluidized Bed
- CAFB stands for Cascode Active Feedback (microwave theory)
CAFB