William Thurlow Weed Brotherton Jr. (April 17, 1926 – April 6, 1997) was the Democratic president of the West Virginia Senate from Kanawha County and served from 1973 to 1981. He was a justice of the West Virginia Supreme Court from 1984 until 1995, and served as chief justice in 1989 and 1994. Brotherton served a total of six terms in the West Virginia House of Delegates and five terms in the state senate between 1952 and 1980.