See also: 1983 in sports, other events of 1984, 1985 in sports and the list of 'years in sports'.
Auto Racing
Men's Golf
Women's Golf
Thoroughbred Horse Racing
- January 19 - Max Bentley, ice hockey star, Chicago Blackhawks (1940-1954)
- April 27 - Piet Kraak, Dutch soccer player
- June 17 - Swale, race horse and the Kentucky Derby winner, collapses & dies
- August 25 - Waite Hoyt, Major League Baseball pitcher, (1918-1938)
- October 1 - Walter Alston, manager of baseball's Los Angeles Dodgers
- September 7 - Joe Cronin, Major League Baseball player/executive, (1926-1945)