Preston D. Richards (born September 15, 1881) was an assistant solicitor for the state department of the United States under J. Reuben Clark during the Taft Administration. He was also a leader in The Church of Jesus Christ of Latter-day Saints (LDS Church).
In 1907, Richards wrote a biography of early Mormon leader Willard Richards. Early on in his life, Richards served as a high school principal. In 1908, Richards was a delegate to the Republican National Convention. He then studied law at the University of Chicago. From there he became assistant solicitor of the state department and later formed a private law firm with Clark. Hugh B. Brown would later work for this law firm.
In 1920, Richards was a member of the general board of the LDS Church's Young Men's Mutual Improvement Association.
- Mormon Literature & Creative Arts: Preston D. Richards, byu.edu. Retrieved 2008-07-11.
- Fow, Frank W. J. Reuben Clark: The Public Years (Provo and Salt Lake City:Deseret Book and Brigham Young University Press, 1980) pp. 87–88, 243
- Edwin Brown Firmage, "Elder Hugh B. Brown, 1883–1975: In Memoriam", Ensign, January 1976, p. 86.