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, a fossil genus of ecdysozoans from the Fortunian-dated Kuanchuanpu Formation of southern Shaanxi Province, China Saccus, in anatomy: Saccus endolymphaticus Saccus lacrimalis Saccus caecus caudodorsalis Saccus caecus caudoventralis Saccus conjunctivae Saccus cranialis Saccus dorsalis
Saccus, in entomology: Saccus (insect anatomy), an anatomical structure of male lepidoptera genitalia, being an anterior extension of the vinculum