Ram Singh Yadav is an Indian marathon runner. Ram represented India at the 2012 Summer Olympics, London. He achieved the B qualification standard (2:18:00) by clocking a time of 2:16:59 at the 2012 Mumbai Marathon, which is also his best performance in this event. He is the second Indian athlete ever to be qualified for the marathon event of the Olympics. Before Yadav, Shivnath Singh was the Indian athlete who participated in the 1976 Summer Olympics in Montreal. Ram is a havildar in the Indian Army.

India competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. A total of 83 athletes, 60 men and 23 women, competed in 13 sports. Men's field hockey was the only team-based sport in which India was represented in these Olympic Games. India also marked its Olympic return in weightlifting, after the International Weightlifting Federation imposed a two-year suspension for the nation's athletes because of a doping scandal in Beijing.