The Hamlet Subdivision is a railroad line owned by CSX Transportation in North Carolina and South Carolina. The line runs from Hamlet, North Carolina, to Columbia, South Carolina, for a total of 105.2 miles. At its north end it continues south from the Hamlet Terminal Subdivision and at its south end it continues south as the Columbia Subdivision. The Hamlet Subdivision runs along CSX's S Line. The line notably carries Amtrak's Silver Star which travels from New York to Florida.