Count Jan Kanty Zamoyski (4 August 1900, in Stará Ľubovňa – 28 September 1961, in Monte Carlo) was a Polish aristocrat.

He was the son of Count Andrzej Przemysław Zamoyski and Princess Maria Carolina of Bourbon-Two Sicilies, granddaughter of King Francis I of the Two Sicilies.

He was owner of estates in Ľubovňa, Vyšné Ružbachy and Mníšek in Spiš.

Jan Kanty married Princess Isabel Alfonsa of Bourbon-Two Sicilies on 9 March 1929 in Madrid and had four children:^[1]

• Count Karol Alfons Zamoyski (28 October 1930 – 26 October 1979)^{[citation needed]}
• Countess Maria Krystyna Zamoyska (2 September 1932 – 6 December 1959)^{[citation needed]}
• Count Józef Michal Zamoyski (27 June 1935 - 22/23 May 2010)^{[citation needed]}
• Countess Maria Teresa Zamoyska (born 18 April 1938)^{[citation needed]}