Roger Frederick Wicker (born July 5, 1951) is an American attorney and politician serving as the senior United States senator from Mississippi, in office since 2007. A member of the Republican Party, Wicker previously served as a member of the United States House of Representatives and the Mississippi State Senate.
Born in Pontotoc, Mississippi, Wicker is a graduate of the University of Mississippi and the University of Mississippi School of Law. He was an officer in the United States Air Force from 1976 to 1980 and a member of the United States Air Force Reserves from 1980 to 2003. During the 1980s, he worked as a political counselor to then-Congressman Trent Lott on the House Rules Committee. In 1987, Wicker was elected to the Mississippi State Senate, representing the 6th district, which included Tupelo.
Wicker was elected to the U.S. House of Representatives in 1994, succeeding longtime Representative Jamie Whitten. Wicker served in the House from 1995 to 2007, when he was appointed to the Senate by Governor Haley Barbour to fill the seat vacated by Lott. Wicker subsequently won a special election for the remainder of the term in 2008 and was reelected to a full term in 2012. Wicker served as chair of the National Republican Senatorial Committee from 2015 to 2017 and is a deputy Republican whip. He was reelected in 2018, defeating Democratic nominee David Baria.