Leon Mark Dudenhefer is an American politician. A Republican, he was elected to the Virginia House of Delegates in 2011. He represented the 2nd district, made up of parts of Prince William and Stafford counties in Northern Virginia. Previously, he served 2005–2011 on the Stafford County Board of Supervisors, representing the Garrisonville district. After deciding not to seek re-election to the House of Delegates in 2017, he decided to run for the Stafford County Board of Supervisors again, and was elected by a margin of 12 votes.