Saccus may refer to:

• Saccus, Roman cognomen, see List of Roman cognomina
• Saccus, a genus of plants in the family Moraceae, synonym of Artocarpus
• Saccus, in anatomy:
  • Saccus endolymphaticus
  • Saccus lacrimalis
  • Saccus caecus caudodorsalis
  • Saccus caecus caudoventralis
  • Saccus conjunctivae
  • Saccus cranialis
  • Saccus dorsalis

• Saccus, in entomology:
  • The saccus is an anatomical structure of male lepidoptera genitalia, being an anterior extension of the vinculum

This disambiguation page lists articles associated with the title Saccus.
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