Dienes may refer to:
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Dienes (surname) Dienes, Dénes, Gyenis, or Gyenes is a Hungarian surname. The name can be found within Hungary, its neighboring regions, and across the wider Hungarian diaspora. It is the Hungarian variant of Dennis, which derives its meaning from Dionysus, the Thr ...
, including a list of people with the name
* the plural of
diene
In organic chemistry a diene ( ) (diolefin ( ) or alkadiene) is a covalent compound that contains two double bonds, usually among carbon atoms. They thus contain two alk''ene'' units, with the standard prefix ''di'' of systematic nomenclature. ...
, a class of organic chemical compound
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Base ten blocks used in mathematics education, also known as Dienes blocks or simply ''dienes''
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