The oonopid spiders of Taiwan are surveyed. Seven genera and 13 species are recognized, including 3 new species: Ischnothyreus kentingensis sp. n., Xyphinus hwangi sp. n. and Xestaspis shoushanensis sp. n. Seven species are newly recorded from this region: Brignolia parumpunctata (Simon, 1893), Opopaea apicalis (Simon, 1893), Opopaea cornuta Yin & Wang, 1984, Opopaea deserticola Simon, 1891, Orchestina sinensis Xu, 1987, Pseudotriaeris karschi (Bösenberg & Strand, 1906) and Xestaspis loricata (L. Koch, 1873).