Benjamin Hardin (February 29, 1784 – September 24, 1852) was a United States representative from Kentucky.

Hardin 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.

He attended the schools of Nelson and Washington Counties, Kentucky before studying law.

Admitted to the bar in 1806, he commenced practice in Elizabethtown and Bardstown, Nelson County, Kentucky, and then settled in Bardstown, Kentucky in 1808.

After leaving Congress, Hardin served as the Secretary of State of Kentucky 1844–1847.