Arborea is a town and comune in the province of Oristano, Sardinia, Italy.
Arborea may also refer to: Giudicato of Arborea, an historical state in Sardinia Arborea, a village in George Enescu Commune, Botoşani County, Romania Arborea (Dungeons & Dragons), a fictional place in the Dungeons & Dragons role-playing game The Exiled Realm of Arborea, the titular setting of the MMORPG TERA Arborea (band), an American psych folk/indie-rock folk duo Arborea (genus), an Ediacaran fossil originally synonymous with Charniodiscus. Ulmus pumila var. arborea, the Turkestan elm, a tree endemic to western Siberia and Turkestan