Rudolf von Carnall (9 February 1804 - 17 November 1874) was a German mining engineer and mineralogist. The mineral carnallite was named after him.

Carnall was born in Glatz (now Klodzko, Poland) to Prussian-Swedish army officer Arvid (1760-1840) and Mathilde daughter of Le Cointe. Carnall was trained in civil mining and worked at mines before training in Berlin. He became a mine superintendent in Upper Silesia, while also