• Cressona divaricata L.Y. Zheng & Zou, 1982
• Cressona rufa Zhang & Lin, 1984
• Cressona valida Dallas, 1851
• Criocoris contrastus Seidenstücker, 1970
• Criocoris crassicornis (Hahn, 1834)
• Criocoris longicornis Reuter, 1883
• Criocoris morio Reuter, 1894
• Criocoris nigricornis Reuter, 1894
• Criocoris nigripes Fieber, 1861
• Criocoris piceicornis Wagner, 1950
• Criocoris quadrimaculatus (Fallén, 1807)
• Criocoris sibiricus Kerzhner, 1984
• Criocoris sulcicornis (Kirschbaum, 1856)
• Criocoris tesquorum Kerzhner, 1984
• Criocoris variegatus Stichel, 1934
• Critheus indicus (Distant, 1900)
• Critheus lineatifrons Stål, 1870
• Crocistethus aeneus (Brullé, 1839)
• Crocistethus basalis (Fieber, 1861)
• Crocistethus major Hsiao, 1977
• Crocistethus waltlianus (Fieber, 1837)
• Cromerus gressitti Drake, 1937
• Crypsinus angustatus (Baerensprung, 1859)
• Cryptodontus Mulsant & Rey, 1865
• Cryptogamocoris cornutus Carapezza, 1997
• Cryptostemma (Cryptostemma) alienum Herrich-Schaeffer, 1835
• Cryptostemma (Cryptostemma) carpaticum Josifov, 1967
• Cryptostemma (Cryptostemma) digitum Wu, 1967
• Cryptostemma (Cryptostemma) miyamotoi Yamada & Hayashi, 2019
• Cryptostemma (Cryptostemma) pavelstysi Yamada & Hayashi, 2019
• Cryptostemma (Cryptostemma) remanei Josifov, 1964
• Cryptostemma (Cryptostemma) roubali Josifov, 1967
• Cryptostemma (Cryptostemma) wygodzinskyi Wu, 1967
• Cryptostemma Herrich-Schaeffer, 1835
• Ctenonecta Wróblewski, 1962
• Cuspicona antica Vollenhoven, 1868
• Cutocoris binotatus (Hsiao, 1979)
• Cutocoris distinctus (Miller, 1954)
• Cutocoris fasciativentris Breddin, 1903
• Cutocoris fasciatus (Reuter, 1881)
• Cutocoris geniculatus (Hsiao, 1979)
• Cutocoris gilvus (Burmeister, 1838)
• Cutocoris hyalinus (Miller, 1955)
• Cutocoris russatus (Stål, 1867)
• Cutocoris tabularis (Distant, 1903)
• Cutocoris ventralis (Hsiao, 1979)
• Cyclopelta obscura (Lepeletier & Serville, 1828)
• Cyclopelta parva Distant, 1900
• Cyclopelta siccifolia (Westwood, 1837)
• Cydnus aterrimus (Forster, 1771)