The Leader of the Opposition of the Northern Territory is an official role usually occupied by the leader of the second largest party in the Northern Territory Legislative Assembly

Northern Territory Legislative Assembly

The Legislative Assembly of the Northern Territory is the unicameral parliament of the Northern Territory in Australia. It sits in Parliament House, located on State Square, close to the centre of the city of Darwin.-History:...

. In the event that that party or coalition wins an election, the Leader of the Opposition will most likely become the Chief Minister

Chief Minister of the Northern Territory

The Chief Minister of the Northern Territory is appointed by the Administrator, who in normal circumstances will appoint the head of whatever party holds the majority of seats in the legislature of the territory...

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While the Legislative Assembly was created in 1974, there was no parliamentary opposition for the first three-year term, as every seat was held by the government, with the exception of two that were won by independents.

Opposition Leader	Party	Dates in Opposition
Jon Isaacs Jon Isaacs Jonathan Martin "Jon" Isaacs is a former Australian politician. He was the Labor member for Millner in the Northern Territory Legislative Assembly from 1977 to 1981, and was the ALP's first leader in that body and the Territory's first Opposition Leader.The Electorate of Millner was named after Dr...	ALP Australian Labor Party The Australian Labor Party is an Australian political party. It has been the governing party of the Commonwealth of Australia since the 2007 federal election. Julia Gillard is the party's federal parliamentary leader and Prime Minister of Australia...	21 September 1977 – 1 November 1981
Bob Collins	ALP	2 November 1981 – 18 August 1986
Terry Smith Terry Smith (politician) Terry Smith was a member of Australia's Northern Territory Legislative Assembly, representing Millner. The Electorate was named after Dr James Millner, the medical officer in Goyder's 1869 expedition to found the first colony at Port Darwin, who drowned in the SS Gothenburg tragedy...	ALP	19 August 1986 – 1 November 1990
Brian Ede Brian Ede Brian Richard Ede is a former Australian politician. He was the Labor member for Stuart in the Northern Territory Legislative Assembly from 1983 to 1996 and led Labor unsuccessfully to the 1994 territory election.-References:...	ALP	2 November 1990 – 9 April 1996
Maggie Hickey Maggie Hickey Margaret Anne "Maggie" Hickey is a former Australian politician. She represented the electoral division of Barkly for the Australian Labor Party in the Northern Territory Legislative Assembly from 1990 to 2001...	ALP	16 April 1996 – 2 February 1999
Clare Martin Clare Martin Clare Majella Martin is a former Australian politician. She is the current CEO of the Australian Council of Social Service . A former journalist, she was elected to the Northern Territory Legislative Assembly in a shock by-election win in 1995...	ALP	3 February 1999 – 26 August 2001
Denis Burke	CLP Country Liberal Party The Northern Territory Country Liberal Party is a Northern Territory political party affiliated with both the National and Liberal parties...	28 August 2001 – 14 November 2003
Terry Mills Terry Mills (politician) Terrence Kennedy Mills is the current Country Liberal Party leader and opposition leader in the Northern Territory Legislative Assembly since 29 January 2008...	CLP	15 November 2003 – 4 February 2005
Denis Burke	CLP	7 February 2005 – 17 June 2005
Jodeen Carney Jodeen Carney Jodeen Terese Carney is an Australian politician. She was a Country Liberal Party member of the Northern Territory Legislative Assembly from September 2001 to September 2010, representing the Alice Springs-based electorate of Araluen...	CLP	29 June 2005 – 28 January 2008
Terry Mills Terry Mills (politician) Terrence Kennedy Mills is the current Country Liberal Party leader and opposition leader in the Northern Territory Legislative Assembly since 29 January 2008...	CLP	29 January 2008 – present