Aust - Balt
- austral
- Australasia
- Australasian
- Australasian breed
- Australia
- Australia Act
- Australia Day
- Australia Felix
- Australia First movement
- Australia Party
- Australia Research Grants Commettee
- Australia – New Zealand Closer Economic Trade Agreement
- Australia – New Zealand Container Line
- Australia – USSR Friendship Society
- Australia's Golden Girl
- Australia's Highway One
- Australian
- Australian Academy of Science
- Australian Academy of Technological Sciences
- Australian Advisory Council on Bibliographical Services
- Australian Agricultural Company
- Australian Agricultural Council
- Australian Alps
- Australian and New Zealand Association for the Advancement of Science
- Australian Antarctic Division
- Australian Antarctic Territory
- Australian Apple and Pear Corporation
- Australian arbo-encephalitis
- Australian Archives
- Australian Associated Press
- Australian Association for Pre-School Child Development
- Australian Badminton Association
- Australian Ballet
- Australian ballot
- Australian Bibliographic Network
- Australian Biological Resources Study
- Australian blackwood
- Australian Broadcasting Corporation
