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