Wayne Lyman Morse (October 20, 1900 – July 22, 1974) was an American attorney and United States Senator from Oregon. Morse is well known for opposing the Democratic Party’s leadership and for his opposition to the Vietnam War on constitutional grounds.
Born in Madison, Wisconsin, and educated at the University of Wisconsin and the University of Minnesota Law School, Morse moved to Oregon in 1930 and began teaching at the University of Oregon School of Law.