This article needs additional citations for verification. (January 2022)
1987 in sports describes the year's events in world sport.
- Super Bowl XXI – the New York Giants (NFC) won 39–20 over the Denver Broncos (AFC)
- January 2 – Fiesta Bowl (1986 season):
- Arena football has its demonstration season—its first season— played with four teams.
- February 25 – The Southern Methodist University Mustangs football team becomes the first college football program to be given the death penalty by the NCAA Committee on Rules Infractions
- August–September – 1987 World Championships in Athletics held in Rome
- January 14 – Catfish Hunter and Billy Williams are elected to the Baseball Hall of Fame. Hunter made his name as the ace of the Oakland A's staff in their championship years and made his fortune as one of the first free agents. Williams set a National League record by playing in 1,117 consecutive games and accumulating 426 home runs and a batting title.
- August 3 – Minnesota Twins pitcher Joe Niekro is suspended for 10 days for possessing a nail file on the pitcher's mound. Niekro claimed he had been filing his nails in the dugout and put the file in his back pocket when the inning started.
- World Series – Minnesota Twins won 4 games to 3 over the St. Louis Cardinals. The Series MVP was Frank Viola, Minnesota
- Lowest regular-season record of any World Series champion (85-77, .525) until 2006 (Cardinals 83-78, .516)
- First World Series game played indoors (Game 1 at the Hubert H. Humphrey Metrodome)
- First World Series where the home team won every game
- 1987 Cricket World Cup – Final: Australia beat England by 7 runs
- Gaelic football
- Ladies' Gaelic football
- Masters Tournament – Larry Mize
- U.S. Open – Scott Simpson
- British Open – Nick Faldo
- PGA Championship – Larry Nelson
- PGA Tour money leader – Curtis Strange – $925,941
- Senior PGA Tour money leader – Chi Chi Rodriguez – $509,145
- Ryder Cup – Europe won 15-13 over the United States in team golf.
- The North America Cup – Runnymede Lobell
- United States Pacing Triple Crown races –
- United States Trotting Triple Crown races –
- Australian Inter Dominion Harness Racing Championship –
- Australia – Melbourne Cup won by Kensei
- Canada – Queen's Plate won by Market Control
- France – Prix de l'Arc de Triomphe won by Trempolino
- Ireland – Irish Derby Stakes won by Sir Harry Lewis
- Japan – Japan Cup won by Le Glorieux
- English Triple Crown Races:
- United States Triple Crown Races:
- Breeders' Cup World Thoroughbred Championships:
- Art Ross Trophy as the NHL's leading scorer during the regular season: Wayne Gretzky, Edmonton Oilers
- Hart Memorial Trophy for the NHL's Most Valuable Player: Wayne Gretzky, Edmonton Oilers
- Stanley Cup – Edmonton Oilers won 4 games to 3 over the Philadelphia Flyers
- World Hockey Championship –
- Tenth Pan American Games held in Indianapolis, United States (August 9 – August 15)
- Second Pan Pacific Championships held in Brisbane, Australia (August 13 – August 16)
- August 13 – Tom Jager regains the world record from fellow American Matt Biondi (22.33) in the 50m freestyle (long course) at the 1987 Pan Pacific Swimming Championships in Brisbane, Australia, clocking 22.32.
- Grand Slam in tennis men's results:
- Grand Slam in tennis women's results:
- Davis Cup
- Sweden defeats India (5-0) in the final
- Men's World Cup held in Thessaloniki won by Yugoslavia
- Men's event at Pan American Games held in Indianapolis won by USA
- Men's European European Championship held in Strasbourg won by USSR
- Women's European Championship held in Strasbourg won by the Netherlands
- "Epsom Derby | History, Winners, & Facts | Britannica". www.britannica.com. Retrieved 3 January 2022.
- "PAN AM GAMES LEGACY: 1959 : It's Not Exactly Peace and Harmony". Los Angeles Times. 6 August 1987. Retrieved 3 January 2022.