The 2002 United States Senate election in Mississippi was held on November 5, 2002. Incumbent Republican U.S. Senator Thad Cochran overwhelmingly won re-election to a fifth term. The Democratic Party did not field a candidate, resulting in Reform Party candidate Shawn O'Hara winning 15.42%. O'Hara's percentage of the vote was more than double Ross Perot's statewide total of 5.84% in the 1996 presidential election.