Redhorn may mean:

  • Red Horn (Siouan deity)
  • Caradhras, a fictional location: a great peak in the Misty Mountains in The Lord of the Rings
    • Redhorn Pass over the Misty Mountains in The Lord of the Rings
  • Redhorn Lake, in Glacier National Park, in the USA state of Montana
  • Redhorn Peak (8,113 feet (2,473 m)), located in the Livingston Range, Glacier National Park in the USA state of Montana