Joseph John Heck (born October 30, 1961) is an American physician and politician who served as the United States representative for Nevada's 3rd congressional district from 2011 to 2017. Heck is a United States Army major general and a board-certified physician who previously served as a Nevada state senator from 2004 to 2008. He ran for the United States Senate in 2016, losing to Catherine Cortez Masto.