The aim of this study is to survey and make to revision the genera and species of Chloropidae fauna of Iraq. The investigation showed four species belonging four genera, which belongs to two subfamilies, and one unidentified species belonging to the genus Elachiptera Maquart, The specimens were compared with stored insects at Department of Entomology and invertebrates, Iraq Natural History Research Center and Museum. Some species have medical and veterinary importance ( Nikapy et al.,2013) such as eye gnats attracted to human and other mammals where they hover about the face, body orifices and open wounds, such as Liohippelates spp. and so that take part of a mechanical transition of several organisms which cause diseases to humans and livestock animals in North and South America (Bram et al.