| Ausonius | Ausonio |
| auspice | auspicio |
| auspices | auspicios |
| auspicious | próspero |
| auspiciousness | felicidad |
| Ausserberg | Ausserberg |
| Ausserferrera | Ausserferrera |
| Aussurucq | Aussurucq |
| Aust-Agder | Aust-Agder |
| Austen Chamberlain | Austen Chamberlain |
| austere | severo |
| austerely | austeramente |
| austereness | abstinencia |
| austerity | sobriedad |
| Austin | Austin |
| Austin Motor Company | Austin |
| Austin Powers in Goldmember | Austin Powers in Goldmember |
| Austin Stevens | Austen Stevens |
| austral | austral |
| Austral Islands | Islas Australes |
| Australasia | Australasia |
| Australasian funnel-web spider | Atrax robustus |
| Australasian Pig-nose Turtle | Tortuga boba papuana |
| Australasian treecreeper | Climacteridae |
| Australia | Australia |
| Australia at the Olympics | Australia en los Juegos Olímpicos |
| Australia national football team | Selección de fútbol de Australia |
| Australia national rugby union team | Selección de rugby de Australia |
| Australia Zoo | Zoológico de Australia |
| Australian | australiano |
| Australian Aboriginal flag | Bandera de los aborígenes de Australia |
| Australian Alps | Alpes Australianos |
| Australian and New Zealand Army Corps | ANZAC |
| Australian Antarctic Territory | Territorio Antártico Australiano |
| Australian Brush-turkey | Alectura lathami |
| Australian Bustard | Ardeotis australis |
| Australian Capital Territory | Territorio de la Capital Australiana |
| Australian dollar | Dólar australiano |
| Australian English | inglés |
| Australian Football League | Australian Football League |
| Australian Grand Prix | Gran Premio de Australia |
| Australian Green Tree Frog | Litoria caerulea |
| Australian House of Representatives | Cámara de Representantes de Australia |
| Australian Kelpie | Kelpie |
| Australian Labor Party | Partido Laborista Australiano |
| Australian Magpie | Magpie Australiano |
| Australian motorcycle Grand Prix | Gran Premio de Australia |
| Australian National Botanic Gardens | Jardín Botánico Nacional de Australia |
| Australian National University | Universidad Nacional de Australia |
| Australian Open | Abierto de Australia |
| Australian Open champions | Campeones del Abierto de Australia |
| Australian parakeet | periquito australiano |
| Australian Pelican | Pelecanus conspicillatus |
| Australian Prime Minister calls federal election | El Primer Ministro de Australia convoca elecciones federales |
| Australian Sea Lion | Neophoca cinerea |
| Australian Senate | Senado de Australia |
| Australian Shelduck | Tadorna tadornoides |
| Australian Snubfin Dolphin | Orcaella heinsohni |
| Australian White Ibis | Threskiornis molucca |
