Frederick William Harmer (18 July 1884 – 7 March 1919) was a British track and field athlete who competed in the 1908 Summer Olympics.^[1] In 1908 he was eliminated in the semi-finals of the 400 metre hurdles competition. He was born in West Ham and died in Shenfield. His brother, Henry Harmer, was also a British Olympian.^[2]