The fauna of Thysanoptera was studied in Qazvin Province, during 2013–2014. In this study, 38 species from 4 families and 20 genera were collected and identified; of which 27 species are recorded for fauna of Qazvin Province for the first time, that shown by asterisks (*). Amongst them, 5 species are predator and other species are phytophagous; and among phytophagous species, Thrips tabaci and Frankliniella intonsa are widely distributed. Their scientific names are as follow: I. Suborder TEREBRANTIA: Family AEOLOTHRIPIDAE: Aeolothrips albicinctus Haliday*, A. collaris Priesner*, A. fasciatus (L.) *, A. intermedius Bagnall; Family MELANTHRIPIDAE: Melanthrips fusus (Sulzer) *, M. knechteli Priesner*; Family THRIPIDAE: Dendrothrips phyllirea (Bagnall) *, Heliothrips haemorrhoidalis (Bouche) *, Neohydatothrips gracilipes Hood*, Anaphothrips obscures (Muller), A. sudanensis Trybom*, Aptinothrips elegans Priesner*, A. rufus (Haliday) *, Chirothrips kurdistanus zur Strassen*, Ch. manicatus (Haliday) *, Ch. meridionalis Bagnall*, Drepanothrips reuteri Uzel*, Frankliniella intonsa (Trybom), F. occidentalis (Pergande), F. pallid (Uzel), F. tenuicornis (Uzel) *, Limothrips transcaucasicus Savenko*, Microcephalothrips abdominalis (Crawford) *, Mycterothrips tschirkunae (Yakhontov) *, M. weii Mirab-balou, Shi & Chen*, Odontothrips confusus Priesner, Rubiothrips vitis (Priesner) *, Scolothrips longicornis Priesner*, Tenothrips discolor (Karny) *, T. frici (Uzel), Thrips atratus Haliday*, T. hawaiiensis (Morgan) *, T. meridionalis (Priesner) *, T. tabaci L., T. trehernei Priesner; II. Suborder TEREBRANTIA: Family PHLAEOTHRIPIDAE: Bagnalliella yuccae (Hinds) *, Haplothrips reuteri (Karny), and Haplothrips tritici (Kurdjumov).