Otto Andreas Lowson Mörch (his last name also spelled Mørch) (17 May 1828 – 25 January 1878) was a biologist, specifically a malacologist. He lived in Sweden, in Denmark, and in France.
Bibliography and taxa described by Otto Andreas Lowson Mörch include:
1863
(French) Mörch O. A. L. (1863). "Revision des especes du genre Oxynoe Rafinesque, et Lobiger Krohn". Journal de Conchyliologie 11: 43-48.
1864
(Danish) Mörch O. A. L. (1864). "Fortegnelse over de i Danmark forekommende land- og ferskvandsblöddyr". Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjöbenhavn (2)1863(17-22): 265-367.