List of defunct National Basketball League (Australia) teams

Club	Years in NBL	History
Adelaide City Eagles	1982	Became the Adelaide 36ers in 1982 (technically not defunct).
Bankstown Bruins	1979–1985	Became the West Sydney Westars for the seasons, 1986–1987. Currently play in the ABA.
Brisbane Bullets	1979–2008	Handed back licence to the NBL, due to financial and ownership reasons.
Canberra Cannons	1979–2003	Celebrated their 20th Anniversary in 1998 as one of only four foundation clubs left in the league. Unfortunately the club only last a few more years becoming the Hunter Pirates for the 2003/04 season moving from Canberra to Newcastle.
City of Sydney Astronauts	1979–1981	Became the Sydney Supersonics for the seasons, 1982–1987.
Coburg Giants	1980–1986	Became the North Melbourne Giants for the seasons, 1987–1998.
Devonport Warriors	1983–1984
Eastside Spectres	1987–1991	Originally known as the Nunawading Spectres, from 1979–1986. Merged with the Southern Melbourne Saints to form the South East Melbourne Magic for the seasons, 1992–1998.
Forestville Eagles	1981	Currently play in the ABA.
Frankston Bears	1983–1984
Geelong Cats / Supercats	1982–1996	Became the Geelong Supercats for the seasons, 1988–1996. Currently play in the ABA.
Glenelg Tigers	1979	Finished last in the inaugural season and never competed in the NBL again.
Gold Coast Rollers	1990–1996	Originally known as the Gold Coast Cougars and competed in the NBL as the Rollers.
Hobart (Tassie) Devils	1983–1996	Became the Hobart Tassie Devils for the seasons, 1988–1995. But changed back to "Hobart Devils" for the 1996 season.
Hunter Pirates	2003–2006	Acquired the licence from the Canberra Cannons and competed for several seasons before once again being relocated.
Launceston Casino City	1980–1982	Joined the NBL in 1980. Won a championship in 1981. Finished 5-21 in 1982 and left the NBL.
Newcastle Falcons	1979–1999	One of the foundation clubs in the NBL that celebrated their 20th Anniversary in 1998. Unfortunately the club only lasted one more year in the league afterwards.
North Melbourne Giants	1987–1998	Originally known as the Coburg Giants for the seasons, 1980–1986. Merged with the South East Melbourne Magic to form the Victoria Titans for the seasons, 1998–2002.
Nunawading Spectres	1979–1986	Became the Eastside Spectres for the seasons, 1987–1991. Currently play in the ABA.
Singapore Slingers	2006–2008	Becoming the first Asian team to enter the NBL they chose to withdraw form the competition due to the dramatic international flight costs to Australia and New Zealand.
South Dragons	2006–2009	Took up the vacant licence after the demise of Victoria Giants, South Dragons were season champions in 2008/2009 but elected to not enter a team in season 2009/10, citing dissatisfaction with the management of the league.
South East Melbourne Magic	1992–1998	Formed from a merger between the Eastside Spectres and the South Melbourne Saints. Merged with North Melbourne to form the Victoria Titans for the seasons, 1998–2002.
Southern Melbourne Saints	1991	Originally known as the Westside Saints for the seasons 1987–1990. Merged with the Eastside Spectres to form the South East Melbourne Magic for the seasons, 1992–1998.
St Kilda Saints	1979–1986	Became the Westside Saints for the seasons, 1987–1990.
Sydney Supersonics	1982–1987	Originally known as the City of Sydney Astronauts for the seasons, 1979–1981. Merged with the West Sydney Westars to become the Sydney Kings for the 1988 season.
Victoria Giants	2002–2004	Created after the Victoria Titans went into financial administration.
Victoria Titans	1998–2002	Formed from a merger between the South East Melbourne Magic and the North Melbourne Giants. Became the Victoria Giants for the seasons, 2002–2004.
West Adelaide Bearcats	1979–1984	Left the NBL in 1984 with several players joining the Adelaide 36ers. Currently play in the ABA.
West Sydney Razorbacks	1998–2008	Became known as the Sydney Spirit in 2008.
West Sydney Westars	1986–1987	Originally known as the Bankstown Bruins from 1979–1985. Merged with the Sydney Supersonics to form the Sydney Kings for the 1988 season.
West Torrens Eagles	1980
Westside Saints	1987–1990	Originally known as the St Kilda Saints for the seasons, 1979–1986. Became the South Melbourne Saints for the 1991 season.

Defunct teams by relations

1979–1985	1986–1987	1988–2007/08
Bankstown Bruins	West Sydney Westars	Sydney Kings (rejoined NBL in 2010/11)
1979–1981	1982–1987
City of Sydney Astronauts	Sydney Supersonics

1998/99–2007/08	2008/09
West Sydney Razorbacks	Sydney Spirit

1979–2002/03	2003/04–2005/06	2006/07-2007/08
Canberra Cannons	Hunter Pirates	Singapore Slingers

1980–1986	1987–1998			1998/99–2001/02	2002/03–2003/04
Coburg Giants	North Melbourne Giants			Victoria Titans	Victoria Giants
1979–1986	1987–1990	1991	1992–1998
St Kilda Saints	Westside Saints	Southern Melbourne Saints	South East Melbourne Magic
1979–1986	1987–1991
Nunawading Spectres	Eastside Spectres