Waddy Thompson, Jr. (January 8, 1798 – November 23, 1868) was a U.S. Representative from South Carolina.Born in Pickensville (now in Pickens County), Ninety-Six District, South Carolina. Thompson moved to Greenville with his parents in his infancy. He received his early education in neighboring schools, and was graduated from South Carolina College in 1814.He studied law and was admitted to the bar in 1819, beginning practice in Edgefield, South Carolina.