Ethyl may refer to:
Ethyl group, a functional group in organic chemistry,
Ethyl Corporation, a fuel additive company,
Ethanol, also known as ethyl alcohol,
Cold Ethyl, a rock band founded by Nicke Andersson,
Gasoline treated with the antiknocking agent tetraethyllead, which was made by the Ethyl Corporation,
Ethyl Sinclair, character in the TV show Dinosaurs.
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