Magnus Georg von Paucker (Russian: Магнус-Георг Андреевич Паукер, romanized: Magnus-Georg Andreevič Pauker; 26 November [O.S. 15 November] 1787 – 31 August [O.S. 19 August] 1855) was a Baltic German astronomer and mathematician and the first Demidov Prize winner in 1832 for his work Handbuch der Metrologie Rußlands und seiner deutschenProvinzen.