Dwaar Kill, Dwaarkill or Dwars Kill may refer to:
In New Jersey: Dwars Kill, a tributary of the Hackensack River (Oradell Reservoir)
In New York: Dwaar Kill (Shawangunk Kill), a tributary of the Shawangunk Kill Dwaar Kill (Wallkill River), a tributary of the Wallkill River Dwaarkill, New York, a hamlet in the town of Shawangunk