William Lloyd Scott was a Republican politician from Virginia. After receiving a law degree from George Washington University, Scott began his career as a trial attorney with the U.S. Department of Justice in 1934-1961 and served in the U.S. Army during World War II. In 1961-1966 Scott became a private practitioner of law in Fairfax, Virginia. In 1966 he received the Republican nomination for Representative of Virginia's 8th congressional district, where he served from 1967-1973. After working as a Virginia delegate to the Republican National Convention in 1972, Scott won a seat in the U.S. Senate, where he served from 1973-79.

Throughout his career, Scott became affiliated with numerous professional and fraternal organizations. He was a Methodist by faith, a member of the American Bar Association by trade, and became a member of the American Legion, Forty and Eight, the Freemasons, the Shriners, and the Lions. Scott was a resident of Fairfax Station, Virginia, but was confined later in life to a nursing center in Fairfax, Virginia for Alzheimer's Disease, where he lived out his final years.