List of Famous people named Lyon

Lyon Gardiner Tyler Sr. was an American educator, genealogist, and historian. He was the son of John Tyler, the tenth president of the United States. Tyler was the 17th president of the College of William & Mary, an advocate of historical research and preservation, and a prominent critic of U.S. President Abraham Lincoln. As of November 2020, one of Lyon Gardiner Tyler's sons still lives, making John Tyler the earliest U.S. president to have living grandchildren.

Lyon Gardiner Tyler Sr. was an American educator, genealogist, and historian. He was the son of John Tyler, the tenth president of the United States. Tyler was the 17th president of the College of William & Mary, an advocate of historical research and preservation, and a prominent critic of U.S. President Abraham Lincoln. As of November 2020, one of Lyon Gardiner Tyler's sons still lives, making John Tyler the earliest U.S. president to have living grandchildren.

Lyon Playfair, 1st Baron Playfair was a British scientist and Liberal politician.

Lyon Sprague de Camp, better known as L. Sprague de Camp, was an American writer of science fiction, fantasy and non-fiction. In a career spanning 60 years, he wrote over 100 books, including novels and works of non-fiction, including biographies of other fantasy authors. He was a major figure in science fiction in the 1930s and 1940s.