NameSeasonsWorld ChampionshipsMotoGP Wins500cc Wins350cc WinsMoto2 Wins250cc WinsMoto3 Wins125cc Wins80cc Wins50cc WinsMotoE Wins Niall Mackenzie1984-199500 000000000 Taylor Mackenzie2010-201100 000000000 Kevin Magee1987-1991, 199300 100000000 Renato Magi194900 000000000 Lucas Mahias2013-2015, 201900000000000 Randy Mamola1979-1990, 199200 1300000000 Tomomi Manako1994-199900 000006000 Kevin Manfredi2022-202400000000000 Anton Mang1975-19885350cc - 1981-1982250cc - 1980-1981, 19870 0803301000 Andrea Mantovani2021-202300000000000 Stefano Manzi2015-2022, 202400000000000 Tommaso Marcon2018-202100000000000 Álex Mariñelarena2012-201300000000000 Luca Marini2013, 2015-00006000000 Álex Márquez2012-2Moto2 - 2019Moto3 - 20144008040000 Marc Márquez2008-9MotoGP - 2013-2014, 2016-2019, 2025Moto2 - 2012125cc - 20107900160010000 Gyula Marsovszky1961, 1963-1971, 197300 000100000 Jorge Martín2015-2MotoGP - 2024Moto3 - 20189002080000 Jorge Martínez1982-19974125cc - 198880cc - 1986-19880 00000152200 Alexis Masbou2003-201600 000020000 Umberto Masetti1949-19582500cc - 1950, 19520 600000000 Jaume Masià2017-20241Moto3 - 202300000100000 Claudio Mastellari1949-195800 000000000 Naoki Matsudo1997-200600 000000000 Takuma Matsuyama202100000000000 Giuseppe Matucci1949-195100 000000000 Simone Mazzola201400000000000 Cromie McCandless1949, 1951-195200 200001000 Garry McCoy1992-2004, 200600 300002000 Bob McIntyre1953-1955, 1957-196200 120200000 John McPhee2010-202200 000040000 Eric McPherson1949-195000 000000000 Jeremy McWilliams1993-2005, 201400 000100000 Ronald Mead1949-1950, 195200 000000000 Alejandro Medina2018, 202000000000000 Mike di Meglio2003-2015, 2019-202000000005001 Marco Melandri1997-2010, 20151250cc - 20025 0001007000 Jack Middelburg1978-198300200000000 Andrea Migno2013-202400000020000 Gilberto Milani1959-1960, 1962-196900000000000 Brandon Miller2013-201500000000000 Jack Miller2011-04000060000 Sammy Miller1955-195800000000000 Soichiro Minamimoto202300000000000 Derek Minter1957-1960, 1962-1965, 196700000100000 Joan Mir2015-2MotoGP - 2020Moto3 - 201710000110000 Kevin Mitchell1987-199400000000000 Ruché Moodley2025-00000000000 Franco Morbidelli2013-1Moto2 - 20173008000000 Luigi Morciano2009-201200000000000 Diogo Moreira2022-1Moto2 - 20250004010000 Luca Morelli200600000000000 Marco Morelli2025-00000000000 Shogo Moriwaki201000000000000 Luca Morelli200600000000000 Alessandro Morosi2022, 202500000000000 Chas Mortimer1969-1979, 198400110203000 Daniel Muñoz2024-00000000000 David Muñoz2022-00000030000 Stefano Musco200600000000000 Benoit Musy1949-195100000000000 Osamu Miyazaki1991-200200000100000