Arthur Jonath (9 September 1909 – 14 April 1963) was a German sprinter. He competed at the 1932 Summer Olympics in the 4×100 m, 100 m and 200 m events and finished in second, third and fourth place, respectively. Jonath was a boxer, and switched to athletics due to a hand injury. In 1931-1932 he won the German titles in both 100 m and 200 m.