Dahak may refer to:
Places Dehak, Isfahan or Dahak, Isfahan Dehak, Tehran or Dahak, Tehran
People Driss Dahak (born 1939), Moroccan diplomat
Mythology Zahhak, an evil figure from Persian mythology Dahak, a demon in Zoroastrianism, see List of theological demons
Fictional characters Dahak, a character from the Xena/Hercules fictional universe Dahak, a character from David Weber's Dahak-series Dahak, the robot belonging to Red Savarin from Solatorobo: Red the Hunter
See also Dehak (disambiguation)