Samuel Ringgold (January 15, 1770 - October 18, 1829), a republican, was a member of the U.S. House of Representatives, representing the fourth district of Maryland from October 15, 1810, to March 3, 1815. He also served in the Maryland House of Delegates (1795) and the Maryland State Senate (1801-1806). Ringgold's military career included serving during the War of 1812, and serving as a brigadier general in the Maryland militia.
Ringgold had two sons who served in the military. His son Samuel (1796-1846) was an officer in the U.S. Army during the Mexican-American War. His son Cadwalder Ringgold (1802-1867) was a naval officer.