Ferdinand Lindley Augustus Buchanan (8 March 1888 – 14 April 1967) was a South African sport shooter who competed in the 1920 Summer Olympics. He also was a general in the South African Army who served in both World War I and World War II. In 1920 he won the silver medal with the South African team in the team 600 metre military rifle, prone competition. He also participated in the following events: * Team 300 and 600 metre military rifle, prone - fifth place * Team 300 metre military rifle, standing - ninth place