Cyclas may refer to:
*
Cyclas (garment), a garment worn in Europe during the Middle Age
*
''Cyclas'' (beetle), a genus of true weevils
* ''Cyclas'', a synonym for ''
Crudia'', a genus of plants
* ''Cyclas'', a synonym for ''
Sphaerium'', a genus of freshwater clams
{{disambiguation, genus