An Astropolis (from the Greek for city of stars) can be any of several things in different contexts. These include:

• An idealised future civilisation, as in Eugene Jolas' Succession in Astropolis.
• The Astropolis Music Festival is a music festival dedicated to techno music and held in Brittany.
• Astropolis , the High Technology Development Program in Sodankylä, Lapland.
• Various kinds of fictional populated structures in futurology and science fiction.
  • Astropolis, a space station proposed by Dr. Krafft A. Ehricke .
  • "Astropolis: The First Space Resort", in Playboy, November, 1968