Australia was the smallest continental landmass on planet Earth and home to a country of the same name. People from Australia were known as Australians. Indigenous inhabitants of the continent were known as Australian Aborigines.
When Hoshi Sato was twelve, she had a female pen pal from Brisbane, Australia. At the time, she loved getting letters from her, noting that "it was like this little window into distant places with strange-sounding names." (ENT: "Dear Doctor")
Starfleet officers are known to have survival training in the outback of Australia, where they learn to survive drinking recycled sweat and eating snake meat. Trip Tucker and Jonathan Archer once spent two weeks in Australia for their survival training during the 2140s. (ENT: "Desert Crossing") A.G. Robinson also underwent survival training in Australia. (ENT: "First Flight")
20th century-era maps of Australia and the eastern hemisphere were stored in the USS Enterprise library computer in 2254. These maps were among the materials viewed by the Talosians when they scanned the Enterprise computer. (TOS: "The Cage")
When Lily Sloane claimed for a way out of the USS Enterprise-E Jean-Luc Picard told her it would be difficult. He opened a hatch to space and showed Lily Earth, pointing at Australia, New Guinea, and the Solomons. (Star Trek: First Contact)
In an illusion created by the telepathic pitcher plant in 2375, where the USS Voyager crew had discovered a wormhole to Earth, Lieutenant Tom Paris was offered a position as a pilot at a new test flight center in Australia. (VOY: "Bliss")
- USS Melbourne, named after Australia's second-largest city (which in turn was named after Lord Melbourne)
- Sydney-class and New Sydney, named after Australia's largest city (which in turn was named after Thomas Townshend, 1st Viscount Sydney)
- USS Jenolan, named after the Jenolan Caves located in the Blue Mountains of New South Wales
- SS Botany Bay, named after the historic penal colony at Botany Bay
|Continents of Earth|
|Africa • Asia • Antarctica • Australia • Europe • North America • South America|
In The Big Good-Bye, one of the females who called the master criminal Silent Forrester at the Plaza lived at the Allcroft. The cops who interrogated her believed that she was from Australia and was born in England. She worked in a bank. (TNG: "The Big Goodbye")
It is a common belief that Australia was the last state to join the United Earth Government in 2150, but Australia holding out was only used by Beverly Crusher as a hypothetical example when discussing the eligibility of the fractured planet Kesprytt with Jean-Luc Picard in TNG: "Attached".