Fabatus Distant, 1910, Genus – synonym of Halobates Eschscholtz, 1822, Genus
Fabrictilis Osuna, 1984, Genus – synonym of Leptoglossus Guérin-Méneville, 1831, Genus
Fabulinus Distant, 1918a, Genus – synonym of Thebanus Distant, 1903, Genus
Facicoris Kiritshenko & Scudder, 1964, Genus – nomen nudum of Facicoris Kiritshenko & Scudder, 1973, Genus
Facicoris Kiritshenko & Scudder, 1973, Genus
Falda Gross, 1954, Genus – synonym of Alloeorhynchus Fieber, 1860, Genus
Farnya Schouteden, 1910, Genus – synonym of Antestia Stål, 1865, Genus
Farsiana Linnavuori, 1998, Genus
Felisacus Distant, 1904, Genus
Fenestrella Osborn & Drake, 1916, Genus – synonym of Acalypta Westwood, 1840, Genus
Ferganocoris Josifov, 1968c, Genus – synonym of Orthonotus Stephens, 1829, Genus
Fernelius Distant, 1900, Genus – synonym of Critheus Stål, 1868, Genus
Fieberia Jakovlev, 1873, Genus – synonym of Mesovelia Mulsant & Rey, 1852, Genus
Fieberocapsus Carvalho & Southwood, 1955, Genus
Forestus Distant, 1903, Genus – synonym of Henricohahnia Breddin, 1900, Genus
Formicocoris Lindberg, 1940, Genus – synonym of Laurinia Reuter, 1884, Genus
Fracastorius Distant, 1902, Genus
Fromundiellus J.A. Lis, 1994, Genus
Fromundus Distant, 1901, Genus
Fulgentius Distant, 1904e, Genus – synonym of Adelphocoris Reuter, 1896, Genus