Alexander Mocsary, sometimes (27 September 1841, Nagyvárad () - 26 December 1915, Budapest) was a Hungarian entomologist who specialised in Hymenoptera.
He was the Curator of the Hungarian Natural History Museum where his collection of mainly Hungarian insects of all orders is conserved. He described many new taxa.
Works Ordo. Hymenoptera. In: Paszlavsky, J.: Fauna Regni Hungariae. Regia Societas Scientiarum Naturalium Hungarica, Budapest: 7–113 (1918)
References Anonym, 1911 [Mocsary, A.] Rovart. Lapok 18 27 Kutzscher, C. & Taeger, A., 1998 Portraits und biographische Daten. In: Taeger, A. & Blank, S. M. 1998 (Hrsg.) Pflanzenwespen Deutschlands (Hymenoptera, Symphyta). Kommentierte Bestandsaufnahme. Goecke & Evers, Keltern Musgrave, A., 1932 Bibliography of Australian Entomology 1775 - 1930. - Sydney 227-229 Soldanski, H., 1916 Aus der entomologischen Welt. Dtsch. Entomol. Z. 1916(1) 87-89 87 Viereck, H. L., 1922 [Mocsary, A.] Ent. News 33 157-158 :hu:Mocsári (egyértelműsítő lap)