Moritz von Engelhardt

Otto Moritz (I) Ludwig von Engelhardt
Born9 December [O.S. 27 November] 1778
Wieso Manor, Wieso, Kreis Jerwen, Governorate of Estonia, Russian Empire
(in present-day Viisu, Estonia)
Died10 February [O.S. 29 January] 1842 (aged 62)
Alma materUniversity of Leipzig, University of Göttingen, Imperial University of Dorpat
Scientific career
FieldsMineralogy
InstitutionsImperial University of Dorpat
Notable studentsGermain Henri Hess

Otto Moritz (I) Ludwig von Engelhardt (9 December [O.S. 27 November] 1778 - 10 February [O.S. 29 January] 1842) was a Baltic German mineralogist. He was a member of the Engelhardt family.