Guo Wenjun (Chinese: 郭文珺; pinyin: Guō Wénjùn, born June 22, 1984 in Xi'an, Shaanxi) is a female Chinese sport shooter who won three of the four gold medals in women's pistol shooting during the European part of the 2008 ISSF World Cup. She won gold in the women's 10 metre air pistol at the 2008 Summer Olympics and 2012 Summer Olympics. She is the only woman to have defended women's 10 metre air pistol title at the Olympic Games.