Richard Lyon
Richard Lyon may refer to:
- Richard E. Lyon, illustrator and artist
- Richard F. Lyon , supreme court justice of Georgia during the Confederacy
- Richard F. Lyon, one of the two people who independently invented the first optical mouse devices, co-founder of Foveon
- Richard H. Lyon, engineering professor emeritus at MIT and founder of the RH Lyon Corp, for president of the Acoustical Society of America
- Richard S. Lyon, American football player and coach in the United States
- Richard Lyon-Dalberg-Acton, 4th Baron Acton, British Labour politician who became Baron Acton, of Aldenham in the County of Shropshire
- Rick Lyon, puppeteer who created the puppets for Avenue Q
- Dick Lyon , Stanford University Olympic rowing medalist at the 1964 Tokyo games
- Richard Lyon , US Navy admiral and mayor of Oceanside, California
- Lyon & Lyon, a law firm whose members at various times included Richard D. Lyon, Richard E. Lyon, and Richard F. Lyon