Jan Thurzo (April 30, 1437 – October 10, 1508, Hungarian: Thurzó János, Polish: Jan Turzo, Slovak: Ján T(h)urzo, German: Johann T(h)urzo) was a Hungarian entrepreneur and mining engineer. Between 1477 until his death in 1508 he was a rajca of Kraków and for a period of time, it's burmistrz (mayor).
Along with Jacob Fugger, he co-founded the Gemeine Ungarische Handel ("Common Hungarian Trade"),[1] also known as Fugger–Thurzo company, which around 1500 held a de facto monopoly on copper mining and trade in the Holy Roman Empire.
Thurzo was first married to Ursula Boehm and had a son, Georg Thurzo who married Anna Fugger and became major of Krakow, . Jan had another son who became archbishop of Breslau (Wroclaw), and a third son who became bishop of Olomouc.
His second marriage was to Barbara Beck: their daughter Katharina married Johann Jakob Fugger.