Exon (disambiguation)

Exon may refer to:

• Exon, a region of DNA that is represented in the mature form of RNA
• Exoribonuclease or ExoN, an RNA degrading enzyme
• Exoniensis or Exon., the Post-Nominal Letters for alumni / degrees from the University of Exeter
• Exon can also refer to the signature of the Bishop of Exeter
• J. James Exon (1921–2005), American politician
• Nat Exon (born 1992), Australian rules footballer
• Exon is a rank for an officer in the Yeomen of the Guard

It may also be a spelling error for:

• ExxonMobil, the energy company
• Exxon, a brand of fuel sold by ExxonMobil