Oscar Swahn (Sweden) was in the winning Running Deer shooting team at the 1912 Olympic Games in Stockholm, Sweden, aged 64 years 258 days. In 1920, at the Antwerp Olympics, Belgium, he became the oldest silver medalist in this event at 72 years 280 days.

He was born 20 October 1847 in Tanum, Sweden and died 1 May 1927.

He won his first gold medal at the 1908 Olympic Games held in London and returned to the following two Games to eventually win three gold, one silver and two bronze medals.