Merlo John Pusey (1902 – November 22, 1985) was an American biographer and editorial writer who won the Bancroft Prize and the Pulitzer Prize for Biography or Autobiography for his 1951 biography of Charles Evans Hughes.
A native of Woodruff, Utah, Pusey worked for the Washington Post from 1928 to 1971.
- The Supreme Court Crisis. New York : Macmillan, 1937.
- Big Government: Can We Control It?. New York : Harper, 1945.
- Charles Evans Hughes. New York : Macmillan, 1951.
- Eisenhower, the President. New York : Macmillan, 1956.
- The Way We Go to War. Boston : Houghton Mifflin, 1969.
- The U.S.A. Astride the Globe. Boston : Houghton Mifflin, 1971.
- Eugene Meyer. New York : Knopf, 1974.
- Builders of the Kingdom, George A. Smith, John Henry Smith, George Albert Smith. Provo, Utah : Brigham Young University, c1981.
- "Merlo J. Pusey Dies; Justice's Biographer Won a Pulitzer Prize". New York Times 24 Nov. 1985: 44.