Arsinoitherium is a genus of herbivorous embrithopod mammal in the family Arsinoitheriidae. Fossils of this animal are found in Africa and the Middle East. It originally lived during the Priabonian to Chattian ages of the Paleogene period. Three species are currently known: the type species Arsinoitherium zitteli, Arsinoitherium andrewsi, and Arsinoitherium giganteus.
