The 2008 Delaware gubernatorial election took place on November 4, 2008, coinciding with the United States presidential election. Democratic state Treasurer Jack Markell defeated Republican William Swain Lee in a landslide, succeeding incumbent Ruth Ann Minner, also a Democrat, who was prevented from running for a third term.
As of 2008, Democrats had controlled the Delaware governorship for 16 years. In an upset, state Treasurer Jack Markell defeated Lieutenant GovernorJohn Carney by 51 to 49% for the Democratic nomination on September 9. Carney was considered the favorite. The Republican nominee was former state Superior Court Judge William Swain "Bill" Lee, defeating airline pilot Michael Protrack. Lee was the Republican nominee for governor in 2004, and lost to Minner by a narrow margin.