Cerynia or Kerynia () may refer to:
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Keryneia, in Cyprus
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Ceryneia
Ceryneia or Keryneia (, also Cerynia or Kerynia (Κερυνία), Ceraunia or Keraunia (Κεραυνία), Cerauneia or Kerauneia (Κεραύνεια), Caryneia or Karyneia (Καρύνεια), was a town and polis (city-state) of ancient Achaea. ...
, in Greece
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''Cerynia'' (planthopper), a genus of insects in the family Flatidae
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