Haley Reeves Barbour (born October 22, 1947) is an American (United States) politician currently serving as the 63rd Governor (List of Governors of Mississippi) of Mississippi. He gained a national spotlight in August 2005 after Mississippi was hit by Hurricane Katrina. Barbour won re-election as Governor in 2007. Under Mississippis term limits, Barbour cannot run again for Governor in 2011 when his term ends.

Before being elected Governor, Barbour worked as a lawyer and lobbyist, was an unsuccessful candidate for the U.S. Senate and also served as Chairman of the Republican National Committee from 1993 to 1997, during which time the Republicans (Republican Party (United States)) captured both the United States Senate and United States House of Representatives for the first time since 1954. On June 24, 2009, Barbour was elected the new Chairman of the Republican Governors Association, following the resignation of South Carolina Governor Mark Sanford as its leader.