Robert Mitchell (December 30, 1778 – November 13, 1848) was a member of the United States House of Representatives from Ohio.

Mitchell was born in Westmoreland County, Pennsylvania on December 30, 1778. He studied medicine before he moved to Ohio in 1807.

Mitchell practiced medicine in Zanesville, Ohio, and later held various positions in Muskingum County. He served in the War of 1812 in John De Vault's company.

From 1815 to 1817, Mitchell was a member of the Ohio House of Representatives. He then served as a judge of the court of common pleas.

In 1822, he held the rank of brigadier general in the Ohio Militia.

He was elected to represent Ohio's 12th congressional district ( Licking and Muskingum Counties) in Congress in 1832. He lost his bid for reelection in 1834 and then returned to the practice of medicine.

Mitchell died on November 13, 1848.

• United States Congress. "Robert Mitchell (id: M000827)". Biographical Directory of the United States Congress.
• Martis, Kenneth C. Historical Atlas of Political Parties in Congress. (New York: MacMillan, 1989) p. 92