What is "siona"

Siona may refer to:

• Siona (moth), a genus of Geometer moth
• The Siona people of the Ecuadorian Amazon
  • The Siona language
• Siona Atreides, a fictional character in Frank Herbert's Dune universe
• Siona Shimshi (born 1939), Israeli painter, sculptor, ceramist, and textile designer

Siona is a genus of moth in the family Geometridae.