William Herbert Gray III (August 20, 1941 – July 1, 2013) was an American politician and member of the Democratic Party who represented Pennsylvania's 2nd congressional district from 1979 to 1991. He also served as Chairman of the House Committee on the Budget from 1985 to 1989 and House Majority Whip from 1989 to 1991. He resigned from Congress in September of that year to become president and chief executive officer of the United Negro College Fund, a position he held until 2004. As an African-American, he was the fourth highest-ranking member of the House at the time of his resignation and a minister in Philadelphia. He was co-founder of the government lobbying and advisory firm, Gray Loeffler LLC, headquartered in Washington D.C.