Antonín Rezek (13 January 1853 Jindřichův Hradec – 4 February 1909 Prague) was a renowned Czech political historian, specialized in political and religious history of the 16th to 18th century.
Son of a renowned watchmaker, Rezek graduated 1875 at Charles University in Prague, where he became professor of general history in 1883. In the years 1900 - 1903 he was minister of the Imperial Austrian government in Vienna. He published numerous popular articles and works, edited many documents from the archives and reedited several Czech chronicles from the 17th century. His works excel in perfect documentation and detailed knowledge of the matter.