Count Jan Kanty Zamoyski (born 4 August 1900 in Stará Lubovna - died 28 September 1961 in Monte Carlo) was a Polish aristocrat.
Son of Count Andrzej Przemyslaw Zamoyski and Princess Maria Carolina of Bourbon-Two Sicilies, granddaughter of King Francis I of the Two Sicilies.
He was owner of estates in Lubovna, Vyšné Ružbachy and Mníšek in Spiš.