William Ferguson Colcock (November 5, 1804 – June 13, 1889) was a U.S. Representative from South Carolina. Born in Beaufort, South Carolina, Colcock attended Hulburt's School, Charleston, South Carolina, and was graduated from South Carolina College (now the University of South Carolina) at Columbia in 1823.He studied law.He was admitted to the bar in 1825 and commenced practice in Coosawhatchie, South Carolina.He also engaged in planting.He served as member of the State house of representatives 1830–1847.