• Abuyogocoris Schuh, 1984 (uncertain)
• Acaciacapsus Cassis & Symonds, 2014
• Acaciacoris Schaffner, 1977
• Acaciacoris acaciae Knight, 1918
• Acaciacoris xerophilus (Schaffner, 1977)
• Acanthia Fabricius, 1775 accepted as Cimex Linnaeus, 1758
• Acanthia albipennis Fabricius, 1803 accepted as Brachyrhynchus membranaceus (Fabricius, 1798)
• Acanthia campestris Fabricius, 1794 accepted as Lyctocoris campestris (Fabricius, 1794)
• Acanthia crassipes Fabricius, 1775 accepted as Phymata crassipes (Fabricius, 1775)
• Acanthia cygni Kirkaldy, 1899 accepted as Saldula cygni (Kirkaldy, 1899)
• Acanthia inodora Duges, 1892 accepted as Haematosiphon inodorus (Duges, 1892)
• Acanthia laevis Fabricius, 1775 accepted as Aneurus laevis (Fabricius, 1775)
• Acanthia marginata Latreille, 1804 accepted as Ochterus marginatus (Latreille, 1804)
• Acanthia membranacea Fabricius, 1798 accepted as Brachyrhynchus membranaceus (Fabricius, 1798)
• Acanthia pallicornis Fabricius, 1794 accepted as Halticus aperus (Linnaeus, 1758)
• Acanthia pellucens Fabricius, 1779 accepted as Teloleuca pellucens (Fabricius, 1779)
• Acanthia pyri Fabricius, 1775 accepted as Stephanitis pyri (Fabricius, 1775)
• Acanthia quadrimaculata Wolff, 1804 accepted as Physatocheila quadrimaculata (Wolff, 1804)
• Acanthia reuteriella Kirkaldy, 1899 accepted as Saldula reuteriella (Kirkaldy, 1899)
• Acanthia salina Bergroth, 1893 accepted as Pentacora salina (Bergroth, 1893)
• Acanthia scotia Curtis, 1833 accepted as Macrosaldula scotia (Curtis, 1833)
• Acanthia spinosus Rossi, 1790 accepted as Patapius spinosus (Rossi, 1790)
• Acetropis Fieber, 1858
• Acetropis americana Knight, 1927
• Acetropis carinatus (Herrich-Schaeffer, 1841)
• Acomocera Eyles, 1975 (uncertain)
• Acotropis Marshall, 1868 accepted as Acetropis Fieber, 1858
• Acrorrhinium Noualhier, 1895
• Acrorrhinium spicatus (Distant, 1904)
• Acrotelus Reuter, 1885 (uncertain)
• Actinocoris Reuter, 1878 (uncertain)
• Actinocoris signatus Reuter, 1880 accepted as Actitocoris signatus Reuter, 1880
• Actinonotus Reuter, 1896 (uncertain)
• Actitocoris Reuter, 1880
• Actitocoris signatus Reuter, 1880
• Acutifromiris Hernandez & Stonedahl, 1999 (uncertain)
• Adelphocoris Reuter, 1896
• Adelphocoris idahoensis Bliven, 1959
• Adelphocoris lineolatus (Goeze, 1778)
• Adelphocoris rapidus (Say, 1832)
• Adelphocoris seticornis (Fabricius, 1775)
• Adelphocoris superbus (Uhler, 1875)
• Adelphocorisella Miyamoto & Yasunaga, 1993 (uncertain)
• Adelphophylus Wagner, 1959 (uncertain)
• Adenostomocoris Schuh & Schwartz, 2004 (uncertain)
• Adesmiaphylus Carpintero, Chérot & Henry, 2023
• Adfalconisca Carvalho, 1983 (uncertain)
• Adhyalopeplus Carvalho, 1979 (uncertain)
• Adlargidea Schaffner, 1980 (uncertain)
• Admetomiris Kerzhner & Schuh, 1998 (uncertain)
• Admetus Distant, 1883 (uncertain)
• Adpiasus Carvalho & Schaffner, 1973 (uncertain)
• Adsaileria Carvalho & Schaffner, 1973 (uncertain)
• Adtaedia Carvalho & Gomes, 1971
• Aetorhinella Noualhier, 1893 (uncertain)
• Afropeltis Stonedahl, 1991 (uncertain)
• Afrovannius Gorczyca, 1997 (uncertain)
• Agalliastes Fieber, 1858 (uncertain)
• Agalliastes onustus Fieber, 1861 accepted as Atomoscelis onustus (Fieber, 1861)
• Agalliastes stigmosus Uhler, 1893 accepted as Europiella stigmosa (Uhler, 1893)
• Agastictus Bergroth, 1922 (uncertain)
• Agaveocoris Henry & Menard, 2020
• Aglobiceps Wagner, 1969 (uncertain)
• Agnocoris Reuter, 1875
• Agnocoris pulverulentus (Uhler, 1892)
• Agnocoris rossi Moore, 1955
• Agnocoris rubicundis (Fallen, 1807)
• Agnocoris utahensis Moore, 1955
• Aguayomiris Maldonado Caprilles, 1987 (uncertain)
• Aitkenia Carvalho & Gross, 1982
• Aitkenia cantrelli Carvalho & Gross, 1982
• Aitkenia grandis Carvalho & Gross, 1982
• Aitkenia latevagans Carvalho & Gross, 1982
• Aitkenia monteithi Carvalho & Gross, 1982
• Aitkenia uptoni Carvalho & Gross, 1982
• Alepidia Reuter, 1909
• Alepidia bellula Hussey, 1954
• Alepidia gracilis (Uhler, 1895)
• Alepidiella Poppius, 1914
• Alepidiella heidemanni Poppius, 1914
• Allocatus Van Duzee, 1917 accepted as Melanotrichus Reuter, 1875
• Allocotus Puton, 1874 accepted as Melanotrichus Reuter, 1875
• Allodapus Fieber, 1860 accepted as Hallodapus Fieber, 1858
• Alloeomimella Yasunaga & Duwal in Yasunaga et al., 2019
• Alloeomimus Reuter, 1910 (uncertain)
• Alloeonotus Fieber, 1858 (uncertain)
• Alloeonycha Reuter, 1904 (uncertain)
• Alloeotarsus Reuter, 1885 (uncertain)
• Alloeotomus Fieber, 1858 (uncertain)
• Allorhinocoris Reuter, 1876
• Allorhinocoris flavus Sahlberg, 1878
• Allorhinocoris prasinus Reuter, 1876
• Allorhinocoris speciosus Bliven, 1960
• Alluaudiella Poppius, 1914 (uncertain)
• Alnopsallus Duwal, Yasunaga & Lee, 2010
• Amazonocoris Carvalho, 1952 (uncertain)
• Ambercylapus Carvalho & Popov, 1984 † (uncertain)
• Amberderaeous Kim, Taszakowski & Jung in Kim et al., 2020 †
• Amberofulvius Herczek, 1991 † (uncertain)
• Amblytylus Fieber, 1858