{{Infobox Olympic athletics event
|event= 100 metres
|image= [[File:Usain Bolt winning-cropped.jpg|300px]]
|caption= The 2008 Olympic men's 100 m final
|gender= Men and women
|firstyearmen=1896
|lastyearmen=2012
|firstyearwomen=1928
|lastyearwomen=2012
|ORmen= 9.63 [[Usain Bolt]] (2012)
|ORwomen= 10.62 [[Florence Griffith-Joyner]] (1988)
|reigningman={{flagIOCathlete|[[Usain Bolt]]|JAM}}
|reigningwoman={{flagIOCathlete|[[Shelly-Ann Fraser-Pryce]]|JAM}}
}}