James Stuart "Jim" Gilmore III is an American politician from the Commonwealth of Virginia and a member of the Republican Party. Gilmore served as the Attorney General of Virginia from 1994 to 1998, and Governor of Virginia from 1998 to 2002. He ran a brief campaign for the 2008 Republican presidential nomination, but in July 2007 became the first major Republican candidate to leave the race.

He is currently a candidate for the United States Senate seat being vacated by John Warner. On May 31, 2008, the Republican state convention nominated Jim Gilmore with 50.3% of the vote. Gilmore received 65 votes more than Robert G. Marshall.