Bedford County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 50,237. Its county seat is Shelbyville. Bedford County comprises the Shelbyville, TN Micropolitan Statistical Area, which is also included in the Nashville-Davidson-Murfreesboro, TN Combined Statistical Area.

Shelbyville is a city in and the county seat of Bedford County, Tennessee. The town was laid out in 1810 and incorporated in 1819. Shelbyville had a population of 20,335 residents at the 2010 census. The town is a hub of the Tennessee Walking Horse industry and has been nicknamed "The Walking Horse Capital of the World".