Jan Kowalczyk (18 December 1941 – 24 February 2020) was a Polish show jumping competitor. At the 1980 Summer Olympics, he won an individual gold and a team silver medal. He also competed at the 1968 and 1972 Summer Olympics.
- Kalemba, Tomasz (24 February 2020). "Nie żyje Jan Kowalczyk, mistrz olimpijski z Moskwy" (in Polish). Retrieved 25 February 2020.
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