Julian Ivanovich Simashko (Russian: Юлиан Иванович Симашко; 1821–1893) was a Russian zoologist and entomologist.
He wrote Russkaya Fauna published in Saint Petersburg in 1850, the first work on Russian fauna to include the Caucasus.
References
Schmitt, M. & Hübner, H. & Gaedicke, R. (1998): Nomina Auctorum, Auflösung von Abkürzungen taxonomischer Autoren-Namen. Nova Supplementa Entomologica 11: 189 pp.; Eberswalde.