Yost (born June 9, 1986 in Pearisburg, Virginia) is an American politician.
A Republican, he was elected to the Virginia House of Delegates in 2011.
He represented the 12th district from 2012 to 2018, with his constituency being made up of Giles County, the city of Radford, and parts of Montgomery and Pulaski counties in the western part of the state.