Samuel Dold Morgan (November 8, 1798 – June 10, 1880), was an American businessman, builder, and manufacturer, known as "The Merchant Prince of Nashville".

His firm, Morgan and Company, was one of the largest wholesale importers of dry goods and a manufacturer of clothing; the business was sufficiently sound and respected to be permitted to issue script money during the Panic of January 30, 1844.

He was appointed to the new commission charged with planning a new State Capitol for Tennessee, becoming its president in 1854, Morgan was instrumental in choosing William Strickland of Philadelphia as the architect of this monumental structure.

During the American Civil War, Morgan engaged in manufacturing munitions for the Confederates until Nashville's occupation by Union forces.

On June 10, 1980, the hundredth anniversary of Samuel Morgan's death, a ceremony was held at the Tennessee Capitol Building in his honor.