| Abbreviation | Definition |
|---|---|
| ABFC | Australian Border Force Cutter |
| ABFW | Australian Bridal Fashion Week |
| ABH | Australian Brother Hood |
| ABHA | Australian Barrel Horse Association |
| ABHI | Australian Better Health Initiative |
| ABHR | Australian Brumby Horse Register |
| ABHR | Australian Bulk Handling Review |
| ABIA | Australian Bridal Industry Academy |
| ABIA | Australian Bridal Industry Awards |
| ABIC | Australian British Infrastructure Catalyst |
| ABIC | Australian Building Industry Contracts |
| ABID | Australian Bird Image Database |
| ABIF | Australian Beef Industry Foundation |
| ABIN | Australian Biosecurity Intelligence Network |
| ABIO | Australian Banking Industry Ombudsman |
| ABIP | Aboriginal Business Incubation Platform |
| ABL | Australian Baseball League |
| ABLO | Australian Botanical Liaison Officer |
| ABN | Australian Business Name |
| ABN | Australian Business Number |