Jan Andrzej Morsztyn (1621–1693) was a Polish poet, member of the landed nobility, and official in the Polish–Lithuanian Commonwealth. He was starosta of Zawichost, Tymbark and Kowal. He was also pantler of Sandomierz (1647–58), Royal Secretary (from 1656), a secular referendary (1658–68), and Deputy Crown Treasurer from 1668. Apart from his career at the Polish court, Morsztyn is famous as a leading poet of the Polish Baroque and a prominent representative of Marinist style in Polish literature. Over his lifetime he accumulated considerable wealth. In 1683 he was accused of treason and was forced to emigrate to France.