Jacques Gravier, SJ (17 May 1651 – 17 April 1708) was a French Jesuit missionary in the New World. He founded the Illinois mission in 1696, where he ministered to the several tribes of the territory. He was notable for his compilation of the most extensive dictionary of Miami-Illinois among those made by French missionaries. In 1705 he was appointed superior of the mission and he died in 1708.