David A. Casey (born August 26, 1979, in Crescent City, CA) is a United States Navy veteran, and is the Libertarian Party nominee for the United States House of Representatives in Texas's 24th congressional district. Casey was a Nuclear Machinist Mate on the U.S.S. Enterprise (CVN-65) during both Operation Enduring Freedom and Operation Iraqi Freedom. Casey was previously involved in the Libertarian Party of Virginia, and ran as their candidate for House of Delegates, District 93 in 2005.