Pyrene may refer to:

• Pyrene, a chemical compound.
• Carbon tetrachloride, pyrene is the brand name used by the Pyrene Manufacturing Company for Carbon tetrachloride.
• Pyrene (mythology), consort of Ares and the mother of Cycnus in Greek mythology
• Pyrene, a Celtic city near the sources of the Danube mentioned by Herodotus: see Heuneburg
• The Pyrene Company Limited, a manufacturer of firefighting equipment
• The Pyrene Building, Golden Mile (Brentford), a noted former Pyrene Company factory in London, England in the Art Deco style
• Pyrene (gastropod), a genus of sea snails from the family Columbellidae
• Pyrena, a kind of nutlet
• Pyrenees, a mountain range between France and Spain

See also

• Pyrenoid, a stone-like structure within the chloroplast of hornworts and some algae

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