Friedrich Wilhelm Niepelt (10 November 1862 in Striegau – 26 May 1936) was a German entomologist specialising in Lepidoptera. Niepelt was an insect dealer in (located near Świebodzice). He is commemorated with insects having the specific epithet of niepeltiana, an example being Phragmatobia niepeltiana, a moth species circumscribed by Embrik Strand in 1919.