A Stock horse is a horse that has a phenotype suitable for working with livestock, particularly cattle. Such horses are riding horsescharacterized by agility, quickness, and powerful hindquarters. They are usually noted for intelligence and "cow sense," having an instinctive understanding of how to respond to the movement of cattle so as to move livestock in a desired manner with minimal or no guidance from their rider. Such horses are used both as working animals on livestock ranches or stations, and are also seen in competition where horses are evaluated on their ability to work cattle.

The term is used refer to any of the following:

• A horse used for competition based on the movements of a working ranch horse, including:
  • campdrafting
  • cutting
  • reining
  • team penning
  • working cow horse
  • An outdated term for reining or working cow horse competition.

• Any of the western riding or "stock horse" breeds developed for ranch work in the United States, or work on cattle stations in Australia, including, but not limited to:
• The Australian Stock Horse breed.
  • American Quarter Horse
  • American Paint Horse
  • Appaloosa
• Any other breed of horse used for ranch work or for stock horse types of competition.
• Any breed or type of light riding horse of a phenotype that includes a powerful build with heavily-muscled hindquarters that appears suitable for work as a stock horse. This includes some representatives of a variety of breeds and crossbreeds. Among breeds with stock horse-type representatives include:
  • Arabian horse
  • Morab
  • Morgan horse
  • Mustang
  • Pony of the Americas
  • Quarab

See also

• List of horse breeds
• Glossary of equestrian terms