Seven species and two genera of the family Toxoderidae are reported from Thailand for the first time. Heterochaetula tricolor (Wood-Mason, 1876) is the 2nd species of the genus known from the country. Toxomantis sinensis Giglio-Tos, 1914 and Toxoderopsis taurus Wood-Mason, 1889 are the first records of the genus and species. Paratoxodera cornicollis Wood-Mason, 1889 and Paratoxodera gigliotosi Roy, 2009 are the 2nd and 3rd species of the genus, respectively. Stenotoxodera pluto (Rehn, 1909) is the 2nd species of the genus. Toxodera maxima Roy, 2009 is the 6th species of the genus. Photographs and diagnosis of all new record species are provided