CATB
| Acronym | Definition |
|---|---|
| CATB | Cathedral and the Bazaar (Eric S. Raymond essay) |
| CATB | Cooperative Avionics Test Bed |
| CATB | Charlie and the Bhoys (Celtic band) |
| CATB | Combat Aviation Training Brigade |
| CATB | Combat Arms Training Board |
| CATB | Combined Arms Test Bed |
| CATB | Combined Arms Training Board |
| CATB | Civil Aviation Transition Branch |