The men’s 66 kg tournament in judo at the 2008 Summer Olympics was held on August 10 at the Beijing Science and Technology University Gymnasium. Preliminary rounds were held at 12:00 pm CST. Repechage finals semifinals bouts for bronze medals and the final took place at 8:00 pm CST.This event was the second-lightest of the men’s judo weight classes limiting competitors to a maximum of 66 kilograms of body mass. Like all other judo events bouts lasted five minutes.