Ladybird fauna in alfalfa fields of the Khorramabad district were studied during 2009 – 2011. In this study, a total of 15 species were detected belonging to 8 genera of ladybird. Samples were collected then identified by characteristics of their appearance and genitalia using valid keys. The species identified were:  Coccinella septempunctata (Linnaeus, 1758),  Coccinella undecimpunctata (Linnaeus, 1758),  Hippodamia variegata (Goeze, 1777), Hyperaspis quadrimaculata (Redtenbacher, 1843), Exochomus pubescens (Kuster, 1848), Exochomus flavipes (Goeze, 1777),  Exochomus melanocephalus (Zoubkoff, 1833),  Scymnus apetzi (Mulsant, 1846), Scymnus flavicollis (Redtenbacher, 1843), Scymnus syriacus (Marseul, 1868), Scymnus pallipes (Mulsant, 1850), Propylea quatuordecimpuctata (Linnaeus, 1758), Psyllobora vigintiduopunctata (Linnaeus, 1758), Oenopia conglobata (Linnaeus, 1758), Oenopia oncina (Olivier, 1808)