Louis-Marcel Richardet (born May 17, 1864 - January 14, 1923 ) was a Swiss sports marksman. He took part in both the 1900 Summer Olympics in Paris and the 1906 Intermediate Olympics in Athens and was able to win five Olympic gold and one silver medal alone and as a team. In the interludes he was the most successful athlete and also won the prize for second place in the unofficial competitions with the free rifle lying down and kneeling.