Ascanius may refer to:

• In Classical mythology:
  • Ascanius, the son of Aeneas
  • Ascanius, a son of Priam
  • Ascanius, a son of Aretaon
• Ascanius, a genus of bugs in the subfamily Pachycorinae
• Lake Ascanius in Anatolia.
• Peter Ascanius (1723–1803), Norwegian biologist.
• Domenicus van Wijnen, called Ascanius (1661 – c.1695), Dutch painter.

This disambiguation page lists articles associated with the title Ascanius.
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