Otto Schneider-Orelli (10 August 1880 in Münchenbuchsee – 31 October 1965 in Zürich) was a Swiss entomologist.
He studied natural sciences at the universities of Neuchâtel (1899) and Bern (1900–05).
Following graduation, he worked as an assistant under Hermann Müller-Thurgau at the research institute for arboriculture, horticulture and viticulture in Wädenswil, where from 1913, he worked as an entomologist.
[1][2] From 1917 onward, he was curator of collections at the entomology museum of ETH Zurich.
[3] He specialized in the fields of agricultural and forest entomology.