John Harry Larsen (August 27, 1913 - August 5, 1989) was a Norwegian rifle shooter who competed after World War II.He was born in Østre Aker and died in Oslo.He won the olympic gold medal in 100 m Running Deer at the 1952 Summer Olympics in Helsinki. He also won a total of seven gold medals in team and individual at the ISSF World Shooting Championships in 1949, 1950 and 1954.