Horsetail Falls or Horsetail Fall may refer to the following waterfalls:

Australia Horsetail Falls (Tasmania, Australia)

United States Horsetail Falls (Oregon) Horsetail Fall (Yosemite), in California Horsetail Falls (California), in the Sierra Nevada mountain range Horsetail Falls (Montana), a waterfall of Montana Horsetail Falls (Alaska)

See also List of waterfalls by type#Horsetail