A horse breed is a selectively bred population of domesticated horses, often with pedigrees recorded in a breed registry.However, the term is sometimes used in a broader sense to define landrace animals of a common phenotype located within a limited geographic region, or even feral “breeds” that are naturally selected.Depending on definition, hundreds of "breeds" exist today, …

This article is a list of horse and pony breeds with articles on Wikipedia, and also includes terms for types of horse that are not necessarily standardized breeds but are often labeled as breeds. While there is no scientifically accepted definition of the term "breed", a breed is generally defined as having distinct true-breeding characteristics over a number of generations.