Justinian II (Greek: Ιουστινιανός Β΄, Ioustinianos II; 669-December 711), known as Rinotmetos or Rhinotmetus (Ρινότμητος, Rinotmētos, "the Slit-nosed"), was the last Byzantine emperor of the Heraclian Dynasty, reigning from 685 to 695 and again from 705 to 711.