| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | aŭstraliano | aŭstralianoj |
| Accusative | aŭstralianon | aŭstralianojn |
| Danish | australier |
|---|---|
| Dutch | Australiër |
| English | Australian; Aussie |
| Finnish | australialainen |
| French | Australien |
| German | Australier |
| Greek | Αυστραλός |
| Hungarian | ausztrál |
| Icelandic | Ástralíubúi |
| Italian | australiano |
| Norwegian | australier |
| Papiamento | oustraliano |
| Portuguese | australiano |
| Russian | австралиец |
| Saterland Frisian | Australier |
| Spanish | australiano |
| Swedish | australier |