This contribution deals with the genus Scopaeus Erichson, 1839 (Coleoptera, Staphylinidae, Paederinae) in Indonesia with a focus on the fauna of the Mount Halimun-Salak National Park, Jawa Barat. Nineteen new species are described: Scopaeus anuliflagellatus Frisch, spec. nov., S. batukaruensis Frisch, spec. nov., S. bipectenatus Frisch, spec. nov., S. bipennicillatus Frisch, spec. nov., S. crassipunctatus Frisch, spec. nov., S. cuspidatus Frisch, spec. nov., S. cuspilobatus Frisch, spec. nov., S. diversilobatus Frisch, spec. nov., S. grandis Frisch, spec. nov., S. halimunsalakensis Frisch, spec. nov., S. heronifer Frisch, spec. nov., S. posoanus Frisch, spec. nov., S. pulcher Frisch, spec. nov., S. riedeli Frisch, spec. nov., S. spiraliflagellatus Frisch, spec. nov., S. sulawesianus Frisch, spec. nov., S. tortuosiflagellatus Frisch, spec. nov., S. uncinatus Frisch, spec. nov. and S. velifer Frisch, spec. nov.. Based on type revisions, S. borneensis Cameron, 1941, S. elegantulus Cameron, 1930, S. jacobsoni Cameron, 1930, S. javanus Cameron, 1936, S. mixtus Cameron, 1941 and S. niger Cameron, 1918 are redescribed. Lectotypes are designated for S. javanus and S. niger. New distribution data from Indonesia are presented for S. filiformis Wollaston, 1867, S. limbatus Kraatz, 1859, S. nitidulus Motschulsky, 1858, S. sundaensis Frisch, 2005, S. testaceus Motschulsky, 1858, S. unifasciatus Fauvel, 1889 and S. wunderlei Frisch, 2003. Scopaeus dilutus Motschulsky, 1858, S. fusculus Motschulsky, 1858, S. micros Kraatz, 1859, S. procerus Kraatz, 1859, S. subfasciatus Kraatz, 1859 and S. velutinus Motschulsky, 1858 are excluded from the fauna of Indonesia owing to unproven records or misidentification. A catalogue of the Scopaeus species of Indonesia including their known distribution at the province level is given.