1975 establishments in Australia

Little River Band (LRB) are a soft rock band originally formed in Melbourne, Australia, in March 1975. The band achieved commercial success, not only in Australia but also in the United States. They have sold more than 30 million records; six studio albums reached the top 10 on the Australian Kent Music Report albums chart including Diamantina Cocktail (April 1977) and First Under the Wire (July 1979), which both peaked at No. 2. Nine singles appeared in the top 20 on the related singles chart, with "Help Is on Its Way" (1977) as their only number-one hit. Ten singles reached the top 20 on the Billboard Hot 100 with "Reminiscing" their highest peaking at No. 3. Only First Under the Wire appeared in the top 10 on the Billboard 200.

Redgum was an Australian folk and political music group formed in Adelaide in 1975 by singer-songwriter John Schumann, Michael Atkinson on guitars/vocals and Verity Truman on flute/vocals; they were soon joined by Chris Timms on violin. All four had been students at Flinders University and together developed an intensely passionate and outspoken outlook. They are best known for their protest song exploring the impact of war in 1983's "I Was Only Nineteen (A Walk in the Light Green)", which peaked at #1 on the National singles charts. The song is in the Australasian Performing Right Association (APRA) list of Top 30 of All Time Best Australian Songs created in 2001.

The Order of Australia is an order of chivalry established on 14 February 1975 by Elizabeth II, Queen of Australia, to recognise Australian citizens and other persons for achievement or meritorious service. Before the establishment of the order, Australian citizens received British honours.

Triple J (stylized in all lowercase) is a government-funded, national Australian radio station intended to appeal to listeners of alternative music, which began broadcasting in January 1975. The station also places a greater emphasis on broadcasting Australian content compared to commercial stations. triple j is a division of the Australian Broadcasting Corporation.

The Seymour Centre is a multi-purpose performing arts centre within the University of Sydney in the Australian city of Sydney. It is located on the corner of City Rd and Cleveland St in Chippendale, just south-west of the city centre.

The Balmain Campus of Sydney Secondary College is a government-funded co-educational dual modality partially academically selective and comprehensive junior secondary day school, located on the eastern side of the Balmain peninsula, in the inner-western Sydney suburb of Balmain, New South Wales, Australia.

4ZZZ (pronounced "Four Triple Zed" or simply "Triple Zed") is an independent community radio station operating in Brisbane, Australia at the frequency 102.1 FM. As a community radio station, 4ZZZ is a member of the Community Broadcasting Association of Australia (CBAA). The station broadcasts to much of South East Queensland, parts of northern New South Wales and web streams from its website.

The Department of Administrative Services was an Australian government department that existed between December 1975 and December 1984. It was the second so-named Commonwealth department.

The Victoria Police Air Wing is the police aviation unit of the Victoria Police operating rotary wing aircraft in metropolitan Melbourne and providing a service to the whole of Victoria. In 2016, it was announced that new helicopters will be purchased and also an aeroplane. In 2017, the air ambulance service ceased with Ambulance Victoria releasing a helicopter for dedicated police duty.

The NRL Schoolboy Cup is the premier secondary schools rugby league competition in Australia, held annually since 1975. Formerly known under such names as the Amco Shield, Nutri-Grain Cup, Arrive Alive Cup and GIO Schoolboy Cup nearly 450 schools from throughout Australia compete in the knock-out competition. The player of the tournament is awarded the Peter Sterling Medal, renamed in 1996 after Peter Sterling, who won the medal in 1978. The competition is televised on Fox Sports.