Naïs is an eighteenth-century opera by Jean-Philippe Rameau.

Nais may also refer to:

Biology

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  • Nais (fungus), a genus of fungi in the family Halosphaeriaceae
  • Nais (annelid), a genus of oligochaete worms in the family Naididae
  • Nais, an invalid genus of butterflies in the family Lycaenidae; nowadays part of Chrysoritis

See also

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