Adna

ADNA or Adna may refer to:

• Adna (given name)
• A-DNA
• Adna, Washington
• Al-Tagr al-Adna, the Arabic name for the Lower March of Al-Andalus
• aDNA, ancient DNA
• Athletic DNA, apparel company
• Alternate spelling of Saint Ada
• Adna (crustacean), a genus of barnacles