Japan, represented by Japanese Olympic Committee, competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. Despite being London's third Olympic Games, Japan marked their London debut at this games. The nation also celebrated its centennial anniversary in the Olympics, having participated at every games since 1912 except for two editions; it was not invited to the 1948 Summer Olympics in London for its role in World War II, and was also part of the US-led boycott of the 1980 Summer Olympics in Moscow. Japan sent a total of 295 athletes to the Games, 138 men and 157 women, to compete in 24 sports.

The women's individual archery event at the 2012 Olympic Games was held from 27 July to 2 August 2012 at Lord's Cricket Ground in London in the United Kingdom. The event was one of four which comprised the 2012 Olympic archery programme of sports and was the eleventh time the women's individual competition was contested as an Olympic event. Forty different nations qualified for the competition, sending a total of sixty-four archers to compete. The defending Olympic champion from 2008 was Zhang Juanjuan of China, who did not compete following her retirement in 2010.