William Beck Widnall (March 17, 1906 – December 28, 1983) was a Republican Party politician who served as a member of the United States House of Representatives for 24 years representing New Jersey's 7th congressional district. Born in Hackensack, New Jersey, Widnall attended public schools, graduating from Hackensack High School in 1922. He graduated from Brown University in 1926 with a Ph.B. degree and went on to receive a law degree from the New Jersey Law School (now Rutgers School of Law–Newark) in 1931. After leaving Congress, Widnall served as chairman of the from November 1975 to 1981.