Jacek Małachowski, of the Nałęcz coat-of-arms (1737–1821) was a Polish nobleman, politician and administrator as well as Polish chancellor.

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Quick Facts Coat of arms, Born ...

Jacek Małachowski
Portrait by Józef Peszka
Coat of arms	Nałęcz
Born	(1737-08-25)25 August 1737 Końskie
Died	27 March 1821(1821-03-27) (aged 83) Bodzechów
Family	House of Małachowski
Consort	Petronela Antonina Rzewuska
Issue	Jan Małachowski Franciszka Małachowska
Father	Jan Małachowski
Mother	Izabela Humiecka

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He was Crown Deputy Master of the Pantry since 1764. Referendary of the Crown in 1764–1780, Deputy Chancellor the Crown since 1780 and Grand Chancellor of the Crown since 1786.^[1] Starost of Piotrków, Radom, Stary Sącz and Gródek.

Marshal of the Coronation Sejm in 3–20 December 1764 in Warsaw.^[1]

He was a supporter of the Russian faction.^[1] During the Great Sejm of 1788-1792 he supported tentative reforms such as strengthening of the executive and army, but also maintaining ties with Russia.^[1] He was among the opponents of the Constitution of 3 May and eventually joined the Targowica Confederation that overthrew it.^[1]

In 1804 he founded a manufactory that was one of the origins of the Ćmielów Porcelain Factory.^[2]