David Rea (January 19, 1831 – June 13, 1901) was a U.S. Representative from Missouri.

Born near New Marion, Indiana, Rea attended the common schools.

He moved to Missouri with his parents, who settled in Andrew County in 1842.

He studied law, was admitted to the bar in 1862, and commenced practice in Savannah, Missouri, in 1863.

He practiced law in Savannah, Missouri, until his death in that city on June 13, 1901.