Allen Lucas Messer (born February 27, 1969) is an American politician and lobbyist who represented Indiana's 6th congressional district in the United States House of Representatives from 2013 to 2019. He is a member of the Republican Party. Born in Evansville, Indiana, Messer is a graduate of Wabash College and Vanderbilt University Law School. After an unsuccessful run for the U.S. House in 2000, Messer served as the first executive director of the Indiana Republican Party from 2001 to 2005. Messer was appointed to serve in the Indiana House of Representatives in 2003, after State Representative W. Roland Stine was killed in a car accident. He represented Indiana's 57th District from 2003 to 2006, when he opted not to run for reelection and instead joined Ice Miller LLP's lobbying division. From 2006 to 2012, Messer was a registered lobbyist. He ran for the U.S. House again in 2010, but was unsuccessful in his primary challenge to Republican Dan Burton. When Mike Pence decided in 2012 to run for Governor of Indiana, Messer was elected to replace him, defeating Democratic nominee Brad Bookout. On July 26, 2017, Messer announced that he would run for the U.S. Senate in 2018. He was unsuccessful in the May 8 primary election, losing to Mike Braun.