Joseph Throckmorton (June 16, 1800 – December 1872) was an American steamboat builder and captain during the 19th century. He was born in Monmouth County, New Jersey and first worked in a mercantile business. His first steamboat was Red Rover, purchased on the Ohio River around 1830. In 1832 he built and skippered the steamboat Warrior. The vessel and Captain Throckmorton played a key role in the decisive battle of the 1832 Black Hawk War. Following the war, he built and owned several more steamboats, and worked for a short time as an insurance representative in St. Louis. Throckmorton died in December 1872 while employed by the United States government.