- For an extensive coverage see 1990 in athletics (track and field)
International Races
National Champions
- The Cincinnati Reds sweep the Oakland A's in the World Series.
- March 24 - In an international women's field hockey match at Wembley Stadium, England. England drew 0-0 with The Netherlands but The Netherlands beat England 4-3 on penalty strokes.
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- For an extensive coverage see 1990 in football (soccer)
Men's professional
Men's amateur
Women's professional
Records
- March 24 — Tom Jager betters his own world record (22.12) in the 50m freestyle (long course) twice at a swimming meet in Nashville, Tennessee. After having swum 21.98 in the heats, the sprinter sets the mark at 21.81 in the final. Jager is the first man in history to break the 22 seconds barrier in the 50 free.
Awards
Births
Deaths
- January 1 — Joe Hardstaff, Jr., English cricketer
- January 7 — Bronko Nagurski, National Football League Pro Football Hall of Fame
- February 14 — Graeme Hole, Australian cricketer
- February 24 — Tony Conigliaro, MLB baseball player, Boston Red Sox
- February 26 — Leslie Ames, English cricketer
- March 6 — Joe Sewell, Major League Baseball player (1920-1933)
- March 15 — Tom Harmon, National Football League player, Heisman Trophy winner
- March 20 — Lev Yashin, Soviet football (soccer) goalkeeper
- March 27 — Percy Beard (82), American hurdler (b. 1908)
- April 6 — James MacNabb (88), British rower (b. 1901)
- April 10 — Fortune Gordien (77), American athlete (b. 1922)
- April 21 — Johnny Beagley, Major League Baseball pitcher
- May 22 — Rocky Graziano (71), American boxer (b. 1919)
- June 18 — Dennis Dyer, South African cricketer
- July 4 — Phil Boggs (40), American diver (b. 1949)
- August 15 — Jimmy Carruthers (61), Australian boxer (b. 1929)
- August 28 — Larry Jackson, Major League Baseball pitcher (1955-1968)
- August 29 — Luigi Beccali, Italian athlete (b. 1907)
- September 9 — Doc Cramer, Major League Baseball player (1929-1948)
- October 7 — John "Cat" Thompson, Basketball Hall of Fame
- October 10 — Wally Moses, Major League Baseball player (1935-1951)
- October 25 — Costa Pereira (60), Portuguese football (soccer) goalkeeper (b. 1929)
- November 16 — Northern Dancer, racehorse
- December 10 — Marino Morettini, Italian road bicycle and track cyclist (b. 1931)
- December 13 — Alice Marble, tennis player, Wimbledon champion
- December 31 — George Allen, National Football League coach
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