The Haichul () or Haichur () is a river in southern Ukraine and a tributary of the Vovcha.
The river originated from the Tatar name "Gaichur", where Tatar hordes gathered before raids on Zaporizhzhia and left-bank Ukraine. The name later changed to "Haichul" in Ukrainian as mentioned by Dmytro Yavornytsky.
The river originates near the village of , and flows mainly northwest. It flows into the Vovcha near the village of . The river is long, with a basin size of and a slope of 1.1m / km. The valley is between to wide, with moderate winding riverbed and several ponds.