Gustav Georg Zeltner (16 September 1672, in Hiltpoltstein – 20 July 1738, in Poppenreuth) was a Lutheran theologian.

Zeltner wrote numerous theological and historical writings.

In 1698 he moved to Nuremberg and worked as a vicar and as a professor of metaphysics at the Aegidianum.

Zeltner spent his retirement in Poppenreuth, where he held the position of pastor from 1730 until his death.

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