In this study, the fauna of order Entomobryomorpha was investigated in different regions of Kermanshah province during 2012-2014. Totally 20 species of Entomobryomorpha belonging to 4 families, 8 subfamilies and 13 genera were collected and identified from Kermanshah. The genus Subisotoam (Stach, 1947) with two species Subisotoma variabilis Gisin, 1949 and Cyphoderus bidenticulatus Parona, 1888 are newly recorded for fauna of Iran. Families Paronellidae and Tomoceridae, two genera Cyphoderus Nicolet, 1842 and Tomocerus Nicolet, 1842 and two species Tomocerus vulgaris (Tullberg, 1871) and Cyphoderus albinus Nicolet, 1842 are also new for Kermanshah province. We also provided the checklist of the Entomobryomorpha fauna which have been reported in different reign of Kermanshah province until now. The present list contains 36 species belonging to 15 genera and 4 families. A key to the known Kermanshah genera of order Entomobryomorpha is provided too.