Andy Murray (GBR).
Andy Murray Great Britain (GBR) won Men's singles for Tennis at the 2012 Summer Olympics
Zhang JikeChina (CHN)
Wang HaoChina (CHN)
Li XiaoxiaChina (CHN)
Ding NingChina (CHN)
Feng TianweiSingapore (SIN)
Roger Federer Switzerland (SUI)
Dimitrij OvtcharovGermany (GER)
Serena Williams United States (USA)
Serena Williams won the Gold Medal for Women's singles. Serena Williams and Venus Williams won Women's doubles Gold Medal
Juan Martín del PotroArgentina (ARG)Juan Martín del PotroArgentina (ARG)
Yes ... she won a bronze medal in women's singles tennis at the 2012 Games in London.