Count Jan Kanty Zamoyski (4 August 1900 – 28 September 1961) 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.