David Bruce Vitter (born May 3, 1961) is the junior United States Senator from Louisiana and a member of the Republican Party. Formerly a member of the United States House of Representatives, first elected in 1999, representing the suburban Louisiana's 1st congressional district, Vitter was elected to the Senate in 2004.

Vitter was born and raised in New Orleans. He attended Harvard University for his undergraduate studies and Tulane University for law school in addition to winning a Rhodes Scholarship to University College, Oxford. He served as a member of the Louisiana House of Representatives before entering the U.S. House.

Vitter posits himself as a staunch political conservative. His legislative agenda includes positions ranging from pro-life to pro-gun rights while legislating against gambling, same-sex marriage, funding for abortion providers, increases in the State Children's Health Insurance Program, the United Nations, and amnesty for America's undocumented workers.