Arthur Francis Duffey (June 14, 1879 – January 23, 1955) was an American track and field athlete who competed at the 1900 Summer Olympics in Paris, France. In 1902, whilst a student at Georgetown University, Duffey ran a world record of 9.6 seconds for the 100 yards. Although equaled in 1906 by Dan Kelley it would be 27 years before it was finally bettered, by Eddie Tolan. After retiring from athletics he became a sports writer for The Boston Post. He died of a heart attack.