| Australasia | Australasia |
| Australia | Australia |
| Australia Day | Australia Day |
| Australia Meridionale | South Australia |
| Australia Occidentale | Western Australia |
| Australian Capital Territory | Australian Capital Territory |
| Australian Football League | Australian Football League |
| Australian Kelpie | Australian Kelpie |
| Australian Open | Australian Open |
| Australian Shepherd | Australian Shepherd |
| australiana | Australian |
| australiano | Australian |
| Australiti | Australite |
| Australopithecus | Australopithecus |
| Australopithecus aethiopicus | Paranthropus aethiopicus |
| Australopithecus afarensis | Australopithecus afarensis |
| Australopithecus africanus | Australopithecus africanus |
| Australopithecus boisei | Paranthropus boisei |
| Australopithecus robustus | Paranthropus robustus |
| Austrasia | Austrasia |
| Austrheim | Austrheim |
| Austria | Austria |
| Austria Anteriore | Further Austria |
| Austria Inferiore | Lower Austria |
| Austria Interna | Inner Austria |
| Austria Metall AG | Austria Metall AG |
| Austria Superiore | Upper Austria |
| Austria Vienna | FK Austria Wien |
| Austria-Este | Austria-Este |
| Austria-Ungheria | Austria-Hungary |
| austriaca | Austrian |
| austriaco | Austrian |
| Austrian Airlines | Austrian Airlines |
| Austrian Arrows | Austrian Arrows |
| Austrian Holocaust Memorial Award | Austrian Holocaust Memorial Award |
| Austrocylindropuntia | Austrocylindropuntia |
| Austrofascismo | Austrofascism |
| Austropotamobius pallipes | Austropotamobius pallipes |
| Austrosaurus mckillopi | Austrosaurus |
| Austrumi | Austrumi |
| austrìaco | Austrian |
| Auswil | Auswil |
| Autafond | Autafond |
| autarchia | autarchy |
| Autari | Authari |
| autenticamente | authentically |
| autenticare | witness |
| autenticato | certified |
| autenticazione | authentication |
| Autenticazione a due fattori | Two-factor authentication |
| autenticità | authenticity |
