Ernst Weinland (9 March 1869, Hohenwittlingen – 17 October 1932, Urach) was a German physiologist and parasitologist.
He studied medicine at the universities of Munich, Tübingen, Berlin and Leipzig.
He also studied zoology, and in the process earned a PhD at the University of Berlin.
In 1899 he obtained his habilitation for physiology and afterwards became an associate professor at the technical school in Freising.
[1] He is known for his pioneer research involving the metabolism of parasitic nematodes (Ascaris).