Tritaea or Tritaia or Triteia may refer to:

• Triteia, a figure in Greek mythology
• Tritaia, a village in Greece
• Tritaea (Achaea), a town of ancient Achaea, Greece
• Tritaea (Locris), a town of ancient Locris, Greece
• Tritaea (Phocis), a town of ancient Phocis, Greece
• Achyra (moth), a genus of Moth
• The Sailing Triteia YouTube Channel