A faunistinc account of the Turkish Ampulicidae, Crabronidae and Sphecidae is provided. The faunistic list includes data about 276 species and subspecies in 58 genera. Erroneous publication date for two species is corrected regarding the date of their first description: Dolichurus corniculus (Spinola, 1807) and Nysson decemmaculatus (Spinola, 1807). Horological data, phenology, and geographical distribution for all listed species are also presented. Comments on the interspecific variation in certain morphological characters for six species are given. New records for Turkish fauna are represented by the following species: Ammophila gracillima Taschenberg, 1869; Didineis clavimana Gussakovskij, 1937; Nysson lapillus de Beaumont, 1965; Gorytes neglectus Handlirsch, 1895; Harpactus pulchellus A. Costa, 1859; Harpactus transcaucasicus Nemkov, 1994; Harpactus walteri (Handlirsch, 1888); Lestiphorus egregius Handlirsch, 1893; Stizus rufiventris Radoszkowski, 1877; Bembix tarsata Latreille, 1809; Bembix zonata Klug, 1835; Cerceris kohlii Schletterer, 1887; Mimesa tenuis Oehlke, 1965; Psenulus carinifrons carinifrons (Cameron, 1902); Tachytes argyreus (F. Smith, 1856); Larropsis punctulata melanaria (Kohl, 1888); Pison atrum (Spinola, 1808); Crossocerus exiguus (Vander Linden, 1829); Crossocerus ovalis Lepeletier de Saint Fargeau and Brullé, 1835; Ectemnius cavifrons cavifrons (Thomson, 1870); Ectemnius schlettereri schlettereri (Kohl, 1888); Ectemnuis zonsteini Jacobs, 2006. One taxon, Mimesa jacobsoni transiliensis is excluded from the fauna of Turkey.