| Maana Soulier-Perkins, 1998 (Lophopidae) | Mestus De Motschulsky, 1863 (Delphacidae) |
| Mabira Fennah, 1950 (Achilidae) | Metadelphax Wagner, 1963 (Delphacidae) |
| Macrobrachys Lallemand, 1950 (Eurybrachidae) | Metafulgoridium† Handlirsch, 1939 (Fulgoridiidae†) |
| Macrocixius Matsumura, 1914 (Cixiidae) | Metalticeps Dmitriev, 2020 (Achilidae) |
| Macrocorupha Muir, 1926 (Delphacidae) | Metanigrus Tsaur & Yang, 1986 (Meenoplidae) |
| Macrodaruma Fennah, 1978 (Issidae) | Metaphaena Schmidt, 1905 (Fulgoridae) |
| Macrodarumoides Che, Zhang & Wang, 2012 (Issidae) | Metaphenice Emeljanov, 1995 (Derbidae) |
| Macronaso Synave, 1960 (Dictyopharidae) | Metaphradmon Fennah, 1950 (Achilidae) |
| Macrotomella Van Duzee, 1907 (Delphacidae) | Metaplacha Emeljanov, 2000 (Cixiidae) |
| Macrovanua Fennah, 1950 (Tropiduchidae) | Metaurus Stål, 1866 (Dictyopharidae) |
| Maculergithus Constant & Pham, 2016 (Issidae) | Metcalfa Caldwell & Martorell, 1951 (Flatidae) |
| Maculixius† Bourgoin & Wang, 2022 (Cixiidae) | Metcracis Medler, 1993 (Flatidae) |
| Madaceratops Gnezdilov, 2011 (Caliscelidae) | Metopasius Gnezdilov, 2020 (Issidae) |
| Madagascaritia Song & Liang, 2016 (Dictyopharidae) | Metoponitys Karsch, 1890 (Eurybrachidae) |
| Madangabenna Hoch, 2013 (Cixiidae) | Metroma Ding, 2006 (Delphacidae) |
| Madoxychara Stroinski & Swierczewski, 2013 (Flatidae) | Metropis Fieber, 1866 (Delphacidae) |
| Maeniana Metcalf, 1952 (Eurybrachidae) | Meulona Zia, 1935 (Flatidae) |
| Magadha Distant, 1906 (Achilidae) | Miasa Distant, 1906 (Dictyopharidae) |
| Magadhaideus Long & Chen, 2017 (Achilidae) | Micistylus Guo & Liang, 2006 (Delphacidae) |
| Magia Distant, 1907 (Lophopidae) | Miclucha Emeljanov, 2001 (Cixiidae) |
| Mahanorona Distant, 1909 (Dictyopharidae) | Micreuides Fennah, 1969 (Delphacidae) |
| Mahecania Stroinski, 2013 (Ricaniidae) | Micrixia Fowler, 1904 (Kinnaridae) |
| Mahmutkashgaria Koçak & Kemal, 2008 (Delphacidae) | Microeurybrachys Muir, 1931 (Gengidae) |
| Mahuna Distant, 1907 (Achilidae) | Microflata Melichar, 1901 (Flatidae) |
| Makarorysa Remane & Asche, 1986 (Delphacidae) | Microissus Fennah, 1947 (Kinnaridae) |
| Makaya Swierczewski, Bourgoin & Stroinski, 2021 (Flatidae) | Microledrida Fowler, 1904 (Cixiidae) |
| Makota Distant, 1909 (Lophopidae) | Microsarimodes Chang & Chen, 2019 (Issidae) |
| Makula Distant, 1907 (Derbidae) | Mijas Rambur, 1840 (- Fulgoroidea incertae sedis) |
| Malaxa Melichar, 1914 (Delphacidae) | Mimaeurypterus† Fu & Huang, 2021 (Mimarachnidae†) |
| Malaxella Ding & Hu, 1986 (Delphacidae) | Mimamontsecia† Szwedo & Ansorge, 2014 (Mimarachnidae†) |
| Malaxodes Fennah, 1967 (Delphacidae) | Mimaplax† Jiang, Szwedo & Wang, 2019 (Mimarachnidae†) |
| Malenia Haupt, 1924 (Derbidae) | Mimarachne† Shcherbakov, 2007 (Mimarachnidae†) |
| Malfeytia Schmidt, 1905 (Fulgoridae) | Mimophantia Matsumura, 1900 (Flatidae) |
| Malleja Medler, 1990 (Flatidae) | Minabenna Hoch, 2013 (Cixiidae) |
| Malogava Emeljanov, 2008 (Dictyopharidae) | Mincopius Distant, 1909 (Issidae) |
| Malpha Myers, 1924 (Cixiidae) | Mindura Stål, 1862 (Nogodinidae) |
| Malukubenna Hoch, 2013 (Cixiidae) | Miniscia Medler, 1991 (Flatidae) |
| Manganeutes Fennah, 1965 (Tropiduchidae) | Mirabella Emeljanov, 1982 (Delphacidae) |
| Mangola Melichar, 1906 (Nogodinidae) | Miranus Chen & Ding, 2001 (Delphacidae) |
| Mantosyna Stål, 1869 (Fulgoridae) | Miriza Stål, 1862 (Nogodinidae) |
| Manurevana Hoch, 2006 (Cixiidae) | Mirocauda Chen, 2003 (Delphacidae) |
| Maon Fennah, 1964 (Eurybrachidae) | Misodema Melichar, 1907 (Tropiduchidae) |
| Maosogata Ding, 2006 (Delphacidae) | Mistharnophantia Kirkaldy, 1907 (Flatidae) |
| Maracota Emeljanov, 2018 (Lophopidae) | Mithymna Stål, 1862 (Nogodinidae) |
| Margaroptilon† Handlirsch, 1906 (Fulgoridiidae†) | Mitropodes Baptista, Ferreira & Da-Silva, 2006 (Dictyopharidae) |
| Margaxius† Szwedo, 2019 (Cixiidae) | Mitrops Fennah, 1944 (Dictyopharidae) |
| Marleyia Distant, 1909 (Ricaniidae) | Mlanjella Fennah, 1950 (Achilidae) |
| Marquedryas Asche, 1998 (Delphacidae) | Mnaomaia† Szwedo, Bourgoin & Lefebvre, 2006 (Cixiidae) |
| Martorella Caldwell & Martorell, 1951 (Achilidae) | Mnasthaia† Szwedo, Bourgoin & Lefebvre, 2006 (Cixiidae) |
| Massila Walker, 1862 (Flatidae) | Mnemosyne Stål, 1866 (Cixiidae) |
| Matacosa Distant, 1906 (Fulgoridae) | Momar Fennah, 1950 (Achilidae) |
| Mathetris Emeljanov, 2011 (Dictyopharidae) | Mongoliana Distant, 1909 (Issidae) |
| Matsumuramata Xing & Chen, 2014 (Delphacidae) | Monochorhynchus Muir, 1917 (Derbidae) |
| Matsumuranoda Metcalf, 1943 (Delphacidae) | Monoflata Melichar, 1923 (Flatidae) |
| Mauriciana Campodonico, 2018 (Kinnaridae) | Monomalpha Emeljanov, 2000 (Cixiidae) |
| Maurisca Emeljanov, 2005 (Achilidae) | Monopsis Spinola, 1839 (Tropiduchidae) |
| Medeusa Emeljanov, 2011 (Dictyopharidae) | Monorachis Uhler, 1901 (Cixiidae) |
| Medleria Swierczewski, Malenovsky & Stroinski, 2018 (Flatidae) | Monospinodelphax Ding, 2006 (Delphacidae) |
| Meenocixius Attié, Bourgoin & Bonfils, 2002 (Cixiidae) | Monteira Melichar, 1906 (Nogodinidae) |
| Meenoplus Fieber, 1866 (Meenoplidae) | Montissus Gnezdilov, 2003 (Issidae) |
| Megacarna Baker, 1925 (Lophopidae) | Montrouzierana Signoret, 1861 (Tropiduchidae) |
| Megadelphax Wagner, 1963 (Delphacidae) | Moraballia Fennah, 1950 (Achilidae) |
| Megadictya Melichar, 1912 (Dictyopharidae) | Morsina Melichar, 1902 (Nogodinidae) |
| Megahilda Fennah, 1959 (Tettigometridae) | Mosiona Melichar, 1923 (Flatidae) |
| Megaloplastinx Schmidt, 1912 (Tettigometridae) | Motua Distant, 1909 (Ricaniidae) |
| Megamelanus Ball, 1902 (Delphacidae) | Motumotua Distant, 1909 (Ricaniidae) |
| Megamelodes Le Quesne, 1960 (Delphacidae) | Movesella Emeljanov, 1982 (Delphacidae) |
| Megamelus Fieber, 1866 (Delphacidae) | Mozzela Baptista, Ferreira & Da-Silva, 2006 (Dictyopharidae) |
| Megatropis Muir, 1913 (Derbidae) | Mucillnata Qin & Zhang, 2010 (Delphacidae) |
| Melandeva Distant, 1906 (Cixiidae) | Muellerianella Wagner, 1963 (Delphacidae) |
| Melanesia Kirkaldy, 1907 (Delphacidae) | Muiralevu Zelazny, 1981 (Derbidae) |
| Melaniphax Bartlett, 2019 (Delphacidae) | Muiravea Banaszkiewicz & Szwedo, 2005 (Derbidae) |
| Melanoclypeus Löcker & Fletcher, 2006 (Cixiidae) | Muiredusa Szwedo, 2006 (Derbidae) |
| Melanoliarus Fennah, 1945 (Cixiidae) | Muiria Kirkaldy, 1907 (Derbidae) |
| Melanugyops Fennah, 1956 (Delphacidae) | Muirileguatia Metcalf, 1945 (Derbidae) |
| Melicharia Kirkaldy, 1900 (Flatidae) | Muirodelphax Wagner, 1963 (Delphacidae) |
| Melicharoptera Metcalf, 1938 (Dictyopharidae) | Muirolonia Metcalf, 1936 (Cixiidae) |
| Melichitona Metcalf, 1952 (Flatidae) | Muirsinia Bourgoin, 1997 (Meenoplidae) |
| Meliprivesa Metcalf, 1952 (Ricaniidae) | Mula Ball, 1928 (Derbidae) |
| Meloenopia Metcalf, 1952 (Lophopidae) | Mulsantereum Gnezdilov, 2002 (Issidae) |
| Melormenis Metcalf, 1938 (Flatidae) | Multistria† Zhang, Yao & Pang, 2021 (Mimarachnidae†) |
| Melormenoides Metcalf, 1954 (Flatidae) | Mulvia Stål, 1866 (Ricaniidae) |
| Melusa Emeljanov, 1995 (Derbidae) | Mundopa Distant, 1906 (Cixiidae) |
| Memusta Gnezdilov, 2020 (Issidae) | Mundopoides† Cockerell, 1925 (Cixiidae) |
| Menenches Fennah, 1962 (Dictyopharidae) | Mycarinus Emeljanov, 1991 (Achilidae) |
| Menenia Stål, 1866 (Fulgoridae) | Mycarus Emeljanov, 1991 (Achilidae) |
| Menora Medler, 1999 (Flatidae) | Myconellus Fennah, 1950 (Achilidae) |
| Menosca Stål, 1870 (Lophopidae) | Myconus Stål, 1862 (Achilidae) |
| Meristopsis Kennedy, Bartlett & Wilson, 2012 (Delphacidae) | Mycterodus Spinola, 1839 (Issidae) |
| Mesepora Matsumura, 1914 (Tropiduchidae) | Myndodus Emeljanov, 1992 (Cixiidae) |
| Mesohilda Fennah, 1952 (Tettigometridae) | Myndus Stål, 1862 (Cixiidae) |
| Mesoliarus Matsumura, 1910 (Cixiidae) | Myrmissus Linnavuori, 1973 (Caliscelidae) |
| Mesonitys Schmidt, 1908 (Eurybrachidae) | Myrophenges Fennah, 1965 (Achilidae) |
| Mesophantia Melichar, 1901 (Flatidae) | Mysidaloides Broomfield, 1985 (Derbidae) |
| Mesorgerius Kusnezov, 1933 (Dictyopharidae) | Mysidia Westwood, 1840 (Derbidae) |
| Mesoricania Melichar, 1923 (Ricaniidae) | Mysidioides Matsumura, 1905 (Derbidae) |
| Messeis Stål, 1862 (Achilidae) | Myxia Bahder & Bartlett, 2019 (Cixiidae) |
| Messena Stål, 1861 (Eurybrachidae) |
