Stanislaw Jan Jablonowski (1634–1702) was a Polish nobleman, magnate, Grand Guardian of the Crown since 1660, the Grand Camp Leader of the Crown since 1661, voivode of the Ruthenian Voivodship since 1664, Field Crown Hetman since 1676, Great Crown Hetman since 1683 and castellan of Kraków since 1692.
Jablonowski was a candidate for the Polish Throne following the death of King John III Sobieski.A talented and skillful political and military leader, Jablonowski participated in the War with Sweden during The Deluge, then with the Cossacks and Muscovy.
He took part in the Chocim campaign of 1673 and participated in the Vienna expedition of 1683.
He led the right wing of Polish cavalry forces at the Battle of Vienna.
He also stopped the Tatars at Lwów in 1695.
In 1692 Jablonowski built the stronghold and the neighbouring town of Okopy Swietej Trójcy.
During the Royal election of 1697, he supported Augustus II, later in opposition to the King.
His daughter Anna Jablonowska, who married Rafal Leszczynski, was the mother of King Stanislaw I.