- Strongylovelia formosa Esaki, 1924
- Strongylovelia hainanensis Ye, Chen & Bu, 2015
- Strongylovelia paitooni Chen, Nieser & Sangpradub, 2006
- Stygnocoris barbieri Péricart, 1993
- Stygnocoris breviceps Wagner, 1953
- Stygnocoris cimbricus (Gredler, 1870)
- Stygnocoris faustus Horváth, 1888
- Stygnocoris fuligineus (Geoffroy, 1785)
- Stygnocoris hellenicus Péricart, 1996
- Stygnocoris mandibularis Montandon, 1889
- Stygnocoris matocqi Péricart, 1993
- Stygnocoris rusticus (Fallén, 1807)
- Stygnocoris sabulosus (Schilling, 1829)
- Stygnocoris similis Wagner, 1953
- Stygnocoris subglaber (Puton, 1889)
- Stygnocoris truncatus (Horváth, 1893)
- Stygnocorisella mayeti (Puton, 1879)
- Subsigara Stichel, 1935
- Suffenus fusconervosus (Motschulsky, 1863)
- Sulawesifulvius yinggelingensis Mu & Liu, 2014
- Sycanus bicolor Hsiao, 1979
- Sycanus bifidus (Fabricius, 1787)
- Sycanus croceovittatus Dohrn, 1859
- Sycanus croceus Hsiao, 1979
- Sycanus falleni Stål, 1863
- Sycanus fuscirostris Dohrn, 1859
- Sycanus insularis Hsiao, 1979
- Sycanus leucomesus Walker, 1873
- Sycanus marginellus P.V. Putshkov, 1987
- Sycanus minor Hsiao, 1979
- Sycanus rufus Hsiao, 1979
- Sycanus sichuanensis Hsiao, 1979
- Sylvadrymus Le Quesne, 1956
- Symphylax sphecimorpha Hsiao, 1977
- Syromastus rhombeus (Linnaeus, 1767)
- Systellonotus albofasciatus (Lucas, 1849)
- Systellonotus alpinus Frey-Gessner, 1871
- Systellonotus championi Reuter, 1903
- Systellonotus discoidalis Horváth, 1894
- Systellonotus insularis Wagner, 1948
- Systellonotus jirhandehanus Linnavuori & Hosseini, 1998
- Systellonotus lesbia Linnavuori, 1972
- Systellonotus malaisei Lindberg, 1934
- Systellonotus micelii Ferrari, 1884
- Systellonotus pseudovelox Carapezza, 1998
- Systellonotus tamaninii Rizzotti Vlach, 1999
- Systellonotus thymi (Signoret, 1859)
- Systellonotus triguttatus (Linnaeus, 1767)
- Systellonotus usaifirae Linnavuori, 1972
- Systellonotus velox Horváth, 1907