Mitch McConnell is the United States Senate Republican Leader. He is the longest-serving Senate Republican Leader in American history, unanimously elected to lead the conference eight times since 2006.

From 2015 to 2021, McConnell served as Senate Majority Leader. He is only the second Kentuckian to ever be Majority Leader of the U.S. Senate. The first, Senator Alben Barkley, led the Democrats from 1937 to 1949.

McConnell previously served in leadership as the Majority Whip in the 108th and 109th Congresses and as chairman of the National Republican Senatorial Committee during the 1998 and 2000 election cycles.