Benjamin Hardin (February 29, 1784 – September 24, 1852) was a United States representative from Kentucky. Martin Davis Hardin was his cousin. He was born at the Georges Creek settlement on the Monongahela River, Westmoreland County, Pennsylvania and then moved with his parents to Washington County, Kentucky in 1788. Hardin attended the schools of Nelson and Washington Counties, Kentucky before studying law. He was admitted to the bar in 1806 and commenced practice in Elizabethtown and Bardstown, Nelson County, Kentucky and he settled in Bardstown, Kentucky in 1808. He owned slaves.