William Arthur Beeton, Jr. (August 15, 1943 – November 2, 2002) was an American attorney and Republican politician. In 1981, he was elected alongside Charles R. Hawkins and Kenneth E. Calvert to the Virginia House of Delegates, but a three-judge panel of the United States District Court for the Eastern District of Virginia found the state's multi-member districts to violated the equal protection clause and ordered that new elections take place the following year. Beeton was defeated in the 1982 22nd district Republican primary by . He moved to northern Virginia, practiced law, and served as chairman of the board of directors of Wakefield Country Day School. In 2002, he died while on a business trip in Rio de Janeiro.