Extant may refer to:

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• Extant taxon, a taxon which is not extinct, such as an extant species.
• Extant literature, surviving literature, such as Beowulf, the oldest extant manuscript written in English
• Hank Hall, also known as Extant, the DC Comics supervillain
• Joacim "Extant" Solheim, a Norwegian guitarist who plays in the progressive metal band Age of Silence

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