A catalogue of burrower bugs (Heteroptera: Pentatomoidea: Cydnidae) of Iran is provided. A total of 58 species from 5 subfamilies, 6 tribes and 22 genera is listed in this paper. Of these, 14 species are newly recorded from Iran: Byrsinus fossor (Mulsant & Rey, 1866), Byrsinus nigroscutellatus (Montandon, 1900), Byrsinus penicillatus Wagner, 1964, Canthophorus wagneri Asanova, 1964, Crocistethus waltlianus (Fieber, 1837), Geotomus antennatus Signoret, 1883, Sehirus cypriacus Dohrn, 1860, Sehirus dissimilis Horváth, 1919, Sehirus luctuosus Mulsant & Rey, 1866, Sehirus ovatus (Herrich-Schaeffer, 1840), Sehirus parens Mulsant & Rey, 1866, Sehirus planiceps Horváth, 1895, Stibaropus henkei (Jakovlev, 1874) and Tritomegas delagrangei (Puton, 1888). Additional Iranian records are provided for Byrsinus laeviceps (Kerzhner, 1972), Exosehirus marginatus (Signoret, 1881b), Fromundus pygmaeus (Dallas, 1851), Geotomus elongatus (Herrich-Schaeffer, 1840), Geotomus punctulatus (Costa, 1847), Ochetostethus sahlbergi Wagner, 1952 and Tritomegas bicolor (Linnaeus, 1758).