Rhinolophidae is one of the twenty families of bats in the mammal order Chiroptera, and part of the microbat suborder grouping. A member of this family is called a rhinolophid, or a horseshoe bat. They are named for the shape of their nose-leaf. They are found in Europe, Africa, Asia, and Australia, primarily in forests, savannas, grasslands, and caves, though some species can also be found in deserts or wetlands. They range in size from the Thai horseshoe bat and little Nepalese horseshoe bat, at 30NaN0 plus a 11NaN1 tail, to the Maclaud's horseshoe bat, at 100NaN0 plus a 50NaN0 tail. Like all bats, rhinolophids are capable of true and sustained flight, and have wing lengths ranging from the Formosan lesser horseshoe bat and little Nepalese horseshoe bat with 30NaN0, to the great woolly horseshoe bat at 80NaN0. They are all insectivorous and eat a variety of insects and spiders. Most rhinolophids do not have population estimates, but the ones that do range from 900 adult individuals to 20,000. Twelve species—the Andaman horseshoe bat, Bornean woolly horseshoe bat, Guinean horseshoe bat, King horseshoe bat, Maclaud's horseshoe bat, Mount Mabu horseshoe bat, Poso horseshoe bat, Ruwenzori horseshoe bat, Timorese horseshoe bat, Willard's horseshoe bat, Yaeyama little horseshoe bat, and Ziama horseshoe bat—are categorized as endangered species, and Hill's horseshoe bat is categorized as critically endangered, collectively making up almost fifteen percent of the species in the family.
The 92 extant species of Rhinolophidae are all included in a single genus, Rhinolophus. A few extinct prehistoric rhinolophid species have been discovered, though due to ongoing research and discoveries the exact number and categorization is not fixed.
Conservation status codes listed follow the International Union for Conservation of Nature (IUCN) Red List of Threatened Species. Range maps are provided wherever possible; if a range map is not available, a description of the rhinolophid's range is provided. Ranges are based on the IUCN Red List for that species unless otherwise noted.
The family Rhinolophidae consists of a single genus, Rhinolophus, containing 92 species.
The following classification is based on the taxonomy described by the reference work Mammal Species of the World (2005), with augmentation by generally accepted proposals made since using molecular phylogenetic analysis, as supported by both the IUCN and the American Society of Mammalogists.