David Highbaugh Smith (December 19, 1854 – December 17, 1928) was a U.S. Representative from Kentucky. Born near Hammonville, Hart County, Kentucky, Smith attended the public schools and the colleges at Horse Cave, Leitchfield, and Hartford, Kentucky.He studied law.He was admitted to the bar in 1876 and commenced practice in Hodgenville, Kentucky.Superintendent of common schools for LaRue County in 1878.County attorney for LaRue County 1878–1881.He served as member of the State house of representatives 1881–1883.He served in the State senate 1885–1893, and as president pro tempore 1891–1893.