Martin Cauchon (born 23 August 1962) is a Canadian lawyer and politician in
Quebec
Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...
Canada. He served as a
Liberal Cabinet minister
A minister is a politician who heads a ministry, making and implementing decisions on policies in conjunction with the other ministers. In some jurisdictions the head of government is also a minister and is designated the ' prime minister', ' p ...
in the government of
Jean Chrétien
Joseph Jacques Jean Chrétien (; born January 11, 1934) is a retired Canadian politician, statesman, and lawyer who served as the 20th prime minister of Canada from 1993 to 2003. He served as Leader of the Liberal Party of Canada, leader of t ...
. He unsuccessfully ran for the
leadership
Leadership, is defined as the ability of an individual, group, or organization to "", influence, or guide other individuals, teams, or organizations.
"Leadership" is a contested term. Specialist literature debates various viewpoints on the co ...
of the Liberal Party of Canada in 2013, losing to
Justin Trudeau
Justin Pierre James Trudeau (born December 25, 1971) is a Canadian politician who served as the 23rd prime minister of Canada from 2015 to 2025. He led the Liberal Party from 2013 until his resignation in 2025 and was the member of Parliament ...
.
Cauchon worked as a lawyer from 1985 to 1993, and from 2004 to present. Today, he is counsel at the Montreal office of DS Lawyers Canada LLP, an international law firm. He is also a Vice-Chairman of the
Canada China Business Council.
Early life and career
Cauchon was born in
La Malbaie
La Malbaie () is a municipality in the Charlevoix-Est Regional County Municipality in the Province of Quebec, Canada, situated on the north shore of the St. Lawrence River at the mouth of the Malbaie River. It was formerly known as Murray Bay ...
,
Quebec
Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, ...
and studied law at the
University of Ottawa
The University of Ottawa (), often referred to as uOttawa or U of O, is a Official bilingualism in Canada, bilingual public research university in Ottawa, Ontario, Canada. The main campus is located on directly to the northeast of Downtown Ot ...
and the
University of Exeter
The University of Exeter is a research university in the West Country of England, with its main campus in Exeter, Devon. Its predecessor institutions, St Luke's College, Exeter School of Science, Exeter School of Art, and the Camborne School of ...
in the United Kingdom. He practised law in civil and commercial litigation from 1985 to 1993. Cauchon was counsel with Gowlings and with the now-defunct law firm of
Heenan Blaikie.
He is married to Dorine Perron and, together, they have three children.
Politics
Cauchon first ran for public office in the
1988 federal election when he challenged
Prime Minister
A prime minister or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. A prime minister is not the head of state, but r ...
Brian Mulroney
Martin Brian Mulroney (March 20, 1939 – February 29, 2024) was a Canadian lawyer, businessman, and politician who served as the 18th prime minister of Canada from 1984 to 1993.
Born in the eastern Quebec city of Baie-Comeau, Mulroney studi ...
in the
riding of
Charlevoix
Charlevoix ( , ) is a cultural and natural region in Quebec, on the north shore of the Saint Lawrence River as well as in the Laurentian Mountains area of the Canadian Shield. This dramatic landscape includes rolling terrain, fjords, headlands ...
, however he was unsuccessful in this bid. In the
1993 federal election, Cauchon once again sought a seat in the
House of Commons of Canada
The House of Commons of Canada () is the lower house of the Parliament of Canada. Together with the Monarchy of Canada#Parliament (King-in-Parliament), Crown and the Senate of Canada, they comprise the Bicameralism, bicameral legislature of Ca ...
. In this election, he was elected in the
Montreal
Montreal is the List of towns in Quebec, largest city in the Provinces and territories of Canada, province of Quebec, the List of the largest municipalities in Canada by population, second-largest in Canada, and the List of North American cit ...
riding of
Outremont. He was re-elected in the
1997
Events January
* January 1 – The Emergency Alert System is introduced in the United States.
* January 11 – Turkey threatens Cyprus on account of a deal to buy Russian S-300 missiles, prompting the Cypriot Missile Crisis.
* January 1 ...
and
2000 elections.
Cauchon was appointed
Secretary of State for the
Federal Office of Regional Development - Quebec by Prime Minister
Jean Chrétien
Joseph Jacques Jean Chrétien (; born January 11, 1934) is a retired Canadian politician, statesman, and lawyer who served as the 20th prime minister of Canada from 1993 to 2003. He served as Leader of the Liberal Party of Canada, leader of t ...
in 1996. He became a full cabinet minister in 1999 when he was given the position of
Minister of National Revenue
The minister responsible for the Canada Revenue Agency () is the minister of the Crown in the Canadian Cabinet who is responsible for the Canada Revenue Agency (CRA), as well as the administration of taxation law and collection. The position is ...
. On 15 January 2002, he became
Minister of Justice and Attorney General of Canada
The minister of justice and attorney general of Canada () is a dual-role portfolio in the Cabinet of Canada, Canadian Cabinet.
The officeholder in the role of Minister of Justice () serves as the minister of the Crown responsible for the Depar ...
, and
Quebec lieutenant. As justice minister, Cauchon argued in cabinet in favour of
same-sex marriage
Same-sex marriage, also known as gay marriage, is the marriage of two people of the same legal Legal sex and gender, sex. marriage between same-sex couples is legally performed and recognized in 38 countries, with a total population of 1.5 ...
and the decriminalization of
marijuana
Cannabis (), commonly known as marijuana (), weed, pot, and ganja, List of slang names for cannabis, among other names, is a non-chemically uniform psychoactive drug from the ''Cannabis'' plant. Native to Central or South Asia, cannabis has ...
(indeed, when asked whether he had used marijuana in the past, he responded "Yes, of course"). As a minister, Cauchon leave its marks on many files. As Secretary of State for regional development, he solidified the community future organisation in the province of Quebec. During his tenue as minister of national revenue, he introduced the customs action plan opening the door for the use of more technologies in managing the Canada-US border. As Minister of Justice, he fought for equality right and tabled the bill on same-sex marriage. He also introduced a bill decriminalizing marijuana. Even though that latter bill wasn't pass into law, it was the precursor of the legalization of marijuana.

In 2009, Cauchon indicated he was interested in re-entering politics and running in his former riding of Outremont, which was then held by
New Democratic Party
The New Democratic Party (NDP; , ) is a federal political party in Canada. Widely described as social democratic,The party is widely described as social democratic:
*
*
*
*
*
*
*
*
*
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*
* The Editors of ''Encyclopædia Britann ...
(NDP) Deputy Leader
Thomas Mulcair. The Liberal Party's Quebec Lieutenant
Denis Coderre, who was tasked with finding Quebec candidates for the next election, announced that the riding was closed off to Cauchon and was being reserved for a female candidate. Liberal leader
Michael Ignatieff
Michael Grant Ignatieff ( ; born May 12, 1947) is a Canadian author, academic and former politician who served as leader of the Liberal Party and leader of the Opposition from 2008 until 2011. Known for his work as a historian, Ignatieff has ...
originally sided with Coderre in opposing Cauchon return, and instead planned to appoint prominent businesswoman Nathalie le Prohon as the candidate in the riding. However, after facing pressure from within his caucus Ignatieff reversed his earlier decision and decide to allow Cauchon to seek the nomination, after Le Prohon indicated she would seek the Liberal nomination in
Jeanne-Le Ber. The controversy over the nomination led to Coderre's resignation as the Liberal's Quebec Lieutenant and Defence Critic, saying he no longer had the "
moral authority
Moral authority is authority premised on principles, or fundamental truths, which are independent of written, or positive laws. As such, moral authority necessitates the existence of and adherence to truth. Because truth does not change the princip ...
" to continue.
In the
federal election held on 2 May 2011, Cauchon was unsuccessful in his bid to unseat Mulcair. The NDP's support in Quebec, and throughout most of Canada, had surged in the final weeks of the campaign, at the expense of the Liberals and
Bloc Québécois
The Bloc Québécois (, , BQ) is a centre-left politics, centre-left and list of federal political parties in Canada, federal political party in Canada devoted to Quebec nationalism, Quebecois nationalism, social democracy, and the promotion o ...
. The NDP won 59 seats in Quebec and replaced the Liberals as the Official Opposition in the House of Commons. Ignatieff had also failed in his bid to win re-election and resigned as party leader days later.
Leadership

Cauchon was a Chrétien loyalist and opposed
Paul Martin
Paul Edgar Philippe Martin (born August 28, 1938), also known as Paul Martin Jr., is a Canadian lawyer and retired politician who served as the 21st prime minister of Canada and the leader of the Liberal Party of Canada from 2003 to 2006.
Th ...
's attempt to force Chrétien to retire. When Chrétien announced his resignation, Cauchon was touted as a possible candidate to succeed him but did not end up running in the
2003 leadership election. Cauchon refused to back Martin's leadership bid, and decided to support
John Manley. Martin was elected leader and did not include Cauchon in his cabinet. Following this he announced he would not seek re-election in the
2004 federal election.
Cauchon was considered a potential candidate in both the
2006
2006 was designated as the International Year of Deserts and Desertification.
Events
January
* January 1– 4 – Russia temporarily cuts shipment of natural gas to Ukraine during a price dispute.
* January 12 – A stampede during t ...
and
2009 Liberal leadership elections, however in both cases he announced he would not run. In 2006, he endorsed former
Ontario
Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...
Premier
Premier is a title for the head of government in central governments, state governments and local governments of some countries. A second in command to a premier is designated as a deputy premier.
A premier will normally be a head of govern ...
Bob Rae
Robert Keith Rae (born August 2, 1948) is a Canadian diplomat and former politician who is the current Canadian Ambassador to the United Nations since 2020. He previously served as the 21st premier of Ontario from 1990 to 1995, leader of the ...
who placed third.
At the Liberal Party's 2012 biennial convention, Cauchon hosted a hospitality suite leading to speculation that he was interested in running for leader in the
2013 leadership election. In December 2012, it was reported that Cauchon was planning a lately entry into the race after some Liberals feared the top tier of contenders were supporting
right-wing
Right-wing politics is the range of political ideologies that view certain social orders and hierarchies as inevitable, natural, normal, or desirable, typically supporting this position based on natural law, economics, authority, property ...
policies. On the last weekend before the registration cutoff on 14 January 2013, Cauchon was trying to gather the 300 signatures needed to enter the leadership race. Fellow leadership contender
David Bertschi sent out an email to Liberals asking for their help to get enough signatures so that Cauchon could enter the contest. On 14 April 2013, he lost the leadership election to Montreal MP
Justin Trudeau
Justin Pierre James Trudeau (born December 25, 1971) is a Canadian politician who served as the 23rd prime minister of Canada from 2015 to 2025. He led the Liberal Party from 2013 until his resignation in 2025 and was the member of Parliament ...
.
Legal-post political career
Following his exit from politics, Cauchon returned to practicing law. From 2004 to 2012, he practised commercial law at Gowling Lafleur Henderson. In February 2012, Cauchon joined the firm of
Heenan Blaikie in Montreal. He is now counsel at the Montreal office of DS Lawyers Canada LLP.
He is also member of numerous boards. He is a Vice-Chairman of the
Canada China Business Council.
Between March 2015 and August 2019, he also bought from the Desmarais family the newspaper chain that he baptized Groupe Capitales Médias (Le Nouvelliste, Le Quotidien,
Le Soleil, La Tribune, La Voix de l'est and Ontario-based
Le Droit
''Le Droit'' is a Canadian French-language digital weekly newspaper, published in Gatineau, Quebec. Initially established and owned by the Missionary Oblates of Mary Immaculate, the paper was published by Martin Cauchon and his company, Capital ...
) and he asked Claude Gagnon to manage it for him. Faced with lower subscription rate, declining advertising rates, and delays in federal government aid, it ended in bankruptcy protection and relaunched as a co-op in December 2019.
Electoral record
Charlevoix
Charlevoix ( , ) is a cultural and natural region in Quebec, on the north shore of the Saint Lawrence River as well as in the Laurentian Mountains area of the Canadian Shield. This dramatic landscape includes rolling terrain, fjords, headlands ...
References
External links
*
Martin Cauchon's Official Website
{{DEFAULTSORT:Cauchon, Martin
1962 births
20th-century members of the House of Commons of Canada
21st-century members of the House of Commons of Canada
Living people
Lawyers in Quebec
Liberal Party of Canada MPs
Members of the 26th Canadian Ministry
Members of the House of Commons of Canada from Quebec
Members of the King's Privy Council for Canada
University of Ottawa alumni
Alumni of the University of Exeter
University of Ottawa Faculty of Law alumni