| Falcidius Stål, 1866 (Issidae) | Flatormenis Melichar, 1923 (Flatidae) |
| Falcophantis Fletcher, 1988 (Flatidae) | Flatosaria Melichar, 1923 (Flatidae) |
| Falcotoya Fennah, 1969 (Delphacidae) | Flatosoma Melichar, 1901 (Flatidae) |
| Fangdelphax Ding, 2006 (Delphacidae) | Flatula Melichar, 1901 (Flatidae) |
| Farona Melichar, 1901 (Flatidae) | Flavina Stål, 1861 (Issidae) |
| Faventilla Metcalf, 1948 (Achilidae) | Flavoclypeus Kennedy & Bartlett, 2014 (Delphacidae) |
| Fenghuangor† Li & Szwedo, 2011 (Fulgoridiidae†) | Fletcherobrachys Constant, 2006 (Eurybrachidae) |
| Fennahsia Bourgoin, 1997 (Meenoplidae) | Fletcherolus Löcker & Larivière, 2006 (Cixiidae) |
| Fennasiraca Asche, 1985 (Delphacidae) | Florichisme Kirkaldy, 1904 (Fulgoridae) |
| Ferganodelphax Dubovskiy, 1970 (Delphacidae) | Florissantia† Scudder, 1890 (Dictyopharidae) |
| Fernandea Melichar, 1912 (Dictyopharidae) | Florodelphax Vilbaste, 1968 (Delphacidae) |
| Ferricixius Hoch & Ferreira, 2012 (Cixiidae) | Folifemurum Che, Zhang & Wang, 2013 (Issidae) |
| Fescennia Stål, 1866 (Derbidae) | Forculus Distant, 1912 (Nogodinidae) |
| Ficarasa Walker, 1857 (Tropiduchidae) | Forculusoides Distant, 1916 (Nogodinidae) |
| Ficarasites† Scudder, 1890 (Nogodinidae) | Fordicidia Distant, 1917 (Derbidae) |
| Fieberium Dlabola, 1980 (Issidae) | Formibelle Sohail & Zhang, 2019 (Caliscelidae) |
| Fipsianus Holzinger, 2009 (Cixiidae) | Formiscurra Gnezdilov & Viraktamath, 2011 (Caliscelidae) |
| Fitchiella Van Duzee, 1917 (Caliscelidae) | Formodanga Yang & Wu, 1993 (Derbidae) |
| Flaccia Stål, 1866 (Derbidae) | Formodelphax Yang, 1989 (Delphacidae) |
| Flachaemus Van Stalle, 1989 (Cixiidae) | Fortunia Distant, 1909 (Issidae) |
| Flastena Nast, 1975 (Delphacidae) | Fovealvus Gnezdilov & Wilson, 2007 (Nogodinidae) |
| Flata Fabricius, 1798 (Flatidae) | Foveopsis† Shcherbakov, 2007 (Perforissidae†) |
| Flatachilus Fennah, 1950 (Achilidae) | Fowlerium Gnezdilov, 2018 (Issidae) |
| Flataloides Metcalf, 1938 (Flatidae) | Frameus Bartlett, 2010 (Delphacidae) |
| Flatarina Metcalf & Bruner, 1948 (Flatidae) | Francesca Kirkaldy, 1906 (Achilidae) |
| Flatarissa Metcalf & Bruner, 1948 (Flatidae) | Franciscus Distant, 1910 (Flatidae) |
| Flatida White, 1846 (Flatidae) | Fritzruehlia Schmidt, 1924 (Tropiduchidae) |
| Flatidissa Metcalf, 1952 (Flatidae) | Fulgora Linné, 1767 (Fulgoridae) |
| Flatina Melichar, 1901 (Flatidae) | Fulgora Linné, 1767 (Fulgoridae) |
| Flatiris Fennah, 1947 (Flatidae) | Fulgoricesa Koçak & Kemal, 2010 (Fulgoridae) |
| Flatoides Guérin-Méneville, 1844 (Flatidae) | Fulgoridiella† Becker-Migdisova, 1962 (Fulgoridiidae†) |
| Flatoidessa Melichar, 1923 (Flatidae) | Fulgoridium† Handlirsch, 1906 (Fulgoridiidae†) |
| Flatoidinus Melichar, 1923 (Flatidae) | Fulgoridulum† Handlirsch, 1939 (Fulgoridiidae†) |
| Flatolystra Nast, 1950 (Fulgoridae) | Fulgoropsis† Hong, 1983 (Fulgoridiidae†) |
| Flatomorpha Melichar, 1901 (Flatidae) | Furtivirete† Zhang, Ren & Yao, 2019 (Jubisentidae†) |
| Flatopsis Melichar, 1902 (Flatidae) | Fuscobenna Hoch, 2013 (Cixiidae) |
| Flatoptera Melichar, 1901 (Flatidae) | Fusiissus Zhang & Chen, 2010 (Issidae) |
