Jean-Yves Duclos PC MP FRSC (French pronunciation: [ʒɑ̃ iv dyklo]; born 1965) is a Canadian economist and politician who has served as Minister of Public Services and Procurement since July 26, 2023. He previously served as minister of Health from 2021 to 2023. A member of the Liberal Party, he has been the Member of Parliament (MP) for Québec since 2015.

Duclos attended the University of Alberta, where he earned an undergraduate degree in economics, followed by graduate and doctoral studies in economics at the London School of Economics. His doctoral thesis in 1992 was titled "Progressivity, equity and the take-up of state benefits, with application to the 1985 British tax and benefit system".^[1] Prior to his election to the House of Commons, he headed the economics department at Université Laval and was the president-elect of the Canadian Economics Association. He was elected a Fellow of the Royal Society of Canada in 2014.^[2]

He was elected to represent the riding of Québec in the House of Commons in the 2015 general election as a member of the Liberal Party of Canada.^[3] He was the first Liberal elected to represent this riding since Gilles Lamontagne, who left office in 1984.^[4] He was appointed to the federal Cabinet, headed by Justin Trudeau, as Minister of Families, Children and Social Development.^[5] He was re-elected in the 2019 general election and sworn in as President of the Treasury Board.

On October 26, 2021, Duclos succeeded Patty Hajdu due to appointed as Minister of Indigenous Services, and he was appointed Minister of Health. This made him a prominent figure in Canadian government response to COVID-19 pandemic, which he supported an end to most generalized public health restrictions, such as face mask mandates until the emergence of fourth COVID-19 wave due to the highly transmissible Deltacron hybrid variant, a pre-dominant strain in the country that is combined of Delta and Omicron variants, started from July 2021 to the end of April 2022. He also expanded the COVID-19 vaccination program in Canada.^{[citation needed]}

On July 26, 2023, Duclos resigned as a Health Minister due to his appointed Minister of Public Services and Procurement in Trudeau's cabinet reshuffle. He was succeeded by Mark Holland.^{[citation needed]}