Astrea

Astrea may refer to:


 * Astrea: Six-Sided Oracles, a 2023 video game
 * Astrea, Cesar, a municipality in the department of Cesar, Colombia
 * ASTREA, an acronym for the Aerial Support To Regional Enforcement Agencies unit of the San Diego County Sheriff's Department
 * Astrea, a leading protagonist of the 1978 Filmation animated television series, Space Sentinels
 * Astrea, the pseudonym used by writer Aphra Behn
 * Astrea (coral), a genus of corals from the Merulinidae family
 * Astrea placata, a Russian opera by Tommaso Traetta
 * Astrea Redux, a poem by John Dryden
 * HMS Astrea, one of several vessels, primarily frigates, of the Royal Navy
 * Il ritorno di Astrea, a poem by Vincenzo Monti
 * USS Astrea (SP-560), a United States Navy patrol boat in commission from 1917 to 1919 or 1920
 * Astrea, West End, a heritage-listed house in Queensland, Australia
 * A.S.D. Astrea, an association football club based in Rome