| Acronym | Definition |
|---|
| ACAU➣Aironet Client Administration Utility |
| ACAU➣Automatic Calling and Answering Unit |
| ACAU➣Associazione Ciociara Allevatori Uccelli (Italian: Ciociara Bird Breeders Association) |
| ACAU➣A Child Among Us (international child adoption agency) |
| ACAU➣Automatic Calling/Answering Unit |