Julian Reus (born 29 April 1988) is a German track and field athlete who competes in the 100 and 200 meters dash. His 100 m personal best of 10.01 seconds was once the German record. Though unofficial according to IAAF regulations of a maximum +2.0 m/s tailwind for a valid time, he also clocked 9.99 seconds (+4.8 m/s) during the men's 100 metres at the 2017 IAAF Diamond League.