See also: 1985 in sports, other events of 1986, 1987 in sports and the list of 'years in sports'.
Auto Racing
Men's Golf
Women's Golf
Thoroughbred Horse Racing
- January 1 - Alfredo Binda, Italian cyclist
- February 17 - Red Ruffing, Major League Baseball pitcher (1924-1947)
- February 27 - Jacques Plante, NHL ice hockey star
- April 6 - Bill Cook, NHL star, New York Rangers
- June 19 - Len Bias, top draft pick of the Boston Celtics, cocaine-induced seizure
- June 27 - Don Rogers, football player, Cleveland Browns, cocaine poisoning
- July 2 - Peanuts Lowrey, Major League Baseball player (1942-1955)
- July 15 - Billy Haughton, Hall of Fame harness-racing driver
- July 25 - Ted Lyons, Major League Baseball pitcher (1923-1946)
- September 4 - Hank Greenberg, Detroit Tigers baseball great (1930-1947)
- October 12 - Norm Cash, Detroit Tigers baseball great (1958-1974)
- December 1 - Bobby Layne, football player, Detroit Lions