Jan Malypetr (21 December 1873 in Klobuky, Kingdom of Bohemia – 27 September 1947 in Slaný) was a Czechoslovakian politician.
A member of the Agrarian Party, he was Minister of Interior, and Chairman of the Chamber of Deputies from 17 December 1925 to 29 October 1932 and from 5 November 1935 to 1939.
Additionally, he served three terms as prime minister of Czechoslovakia:
His grandson is author Jiří Stránský.