||Years in NBL
|Adelaide City Eagles
||Became the Adelaide 36ers in 1983 (technically not defunct).
||Became the West Sydney Westars for the seasons, 1986–1987. Currently play in the ABA.
||Handed back licence to the NBL, due to financial and ownership reasons.
||Celebrated their 20th Anniversary in 1998 as one of only four foundation clubs left in the league. The club only lasted a few more years, becoming the Hunter Pirates for the 2003/04 season and moving from Canberra to Newcastle.
|City of Sydney Astronauts
||Became the Sydney Supersonics for the seasons, 1982–1987.
||Became the North Melbourne Giants for the seasons, 1987–1998.
||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.
||Currently play in the ABA.
|Geelong Cats / Supercats
||Became the Geelong Supercats for the seasons, 1988–1996. Currently play in the ABA.
||Finished last in the inaugural season and never competed in the NBL again.
|Gold Coast Rollers
||Originally known as the Gold Coast Cougars and competed in the NBL as the Rollers. Now compete in the ABA.
|Gold Coast Blaze
|Hobart (Tassie) Devils
||Became the Hobart Tassie Devils for the seasons, 1988–1995. But changed back to "Hobart Devils" for the 1996 season.
||Acquired the licence from the Canberra Cannons and competed for several seasons before once again being relocated, this time as the Singapore Slingers.
|Launceston Casino City
||Joined the NBL in 1980. Won a championship in 1981. Finished 5-21 in 1982 and left the NBL.
||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
||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.
||Became the Eastside Spectres for the seasons, 1987–1991. Currently play in the ABA.
||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.
||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
||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
||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
||Became the Westside Saints for the seasons, 1987–1990.
||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.
||Created after the Victoria Titans went into financial administration.
||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
||Left the NBL in 1984 with several players joining the Adelaide 36ers. Currently play in the ABA.
|West Sydney Razorbacks
||Became known as the Sydney Spirit in 2008.
|West Sydney Westars
||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
||Originally known as the St Kilda Saints for the seasons, 1979–1986. Became the South Melbourne Saints for the 1991 season.