The genera of Australian Dermestidae are revised based on the results from the recent molecular phylogeny research. Revised classification of Australian Dermestidae includes more than 130 described species classified in 20 genera in six subfamilies. Subfamily Orphilinae LeConte, 1861 includes only Ranolus Blair, 1929 (three species); subfamily Trinodinae Casey, 1900 includes Evorinea Beal, 1961(one species), Trinoparvus Háva, 2004 (one species), Thylodrias Motschulsky, 1839 (one introduced species) and Trichelodes Carter, 1935 (one species); subfamily Trogoparvinae Zhou et al, 2022 includes Trogoparvus Háva, 2001 (two species, including T. cockatoo sp. nov. from Queensland) and Attagenoparvus gen. nov. (one species, T. calperum sp. nov. from South Australia); subfamily Dermestinae Latreille, 1804 includes only Dermestes Linnaeus, 1758 (four introduced and one native species); subfamily Attageninae Laporte de Castelnau, 1840 includes Adelaidia Blackburn, 1891 (two species), Attagenus Latreille, 1802 (three introduced species), Aethriostoma Motschulsky, 1858 (two species), Katkaenus Háva, 2006 (one species) and Telopes Redtenbacher, 1843 (one introduced species); Megatominae Leach, 1815 includes Anthrenus Geoffroy, 1762 (one introduced species), Orphinus Motschulsky, 1858 (11 species), Thaumaglossa Redtenbacher, 1867 (one species), Eurhopalus Solier in Gay, 1849 (95 species), Phradonoma Jacquelin du Val, 1859 (one introduced species) and Trogoderma Latreille, 1821 (three introduced species).