Jeffrey John Denham (born July 29, 1967) is an American politician, United States Air Force veteran, and businessman. A member of the Republican Party, he served as the U.S. representative for California's 10th congressional district from 2013 to 2019. Denham first won election to the U.S. House in 2010, representing California's 19th congressional district for one term before redistricting led him to run in the 10th district in 2012. Denham was narrowly defeated in his 2018 bid for re-election by Democrat Josh Harder and became a lobbyist for K&L Gates.