Astyra is a genus of amphipods.
Astyra may also refer to: Astyra (Aeolis), a town of ancient Aeolis near the Plain of Thebe Astyra (near Pergamon), a town of ancient Aeolis near Pergamon Astyra, alternate name of Astyria, a town of ancient Aeolis Astyra (Troad), a town of ancient Troad