NameSeasonsWorld ChampionshipsMotoGP Wins500cc Wins350cc WinsMoto2 Wins250cc WinsMoto3 Wins125cc Wins80cc Wins50cc WinsMotoE Wins Norick Abe1994-200400 300000000 Hubert Abold1984, 1986-198900 000000000 Karel Abraham2005-201900 001000000 Leonardo Abruzzo202500000000000 Pedro Acosta2021-2Moto3 - 2021Moto2 - 202310010060000 Brian Adams197000 000000000 Fadillah Arbi Aditama2023-202500000000000 Dominique Aegerter2006-20221MotoE - 20220 001000005 Kenni Aggerholm200600 000000000 Senna Agius2022-00004000000 Duilio Agostini1953-195500 010000000 Felice Agostini1975, 197800 000000000 Giacomo Agostini1964-197715500cc - 1966-1972, 1975350cc - 1968-19740 68540000000 KY Ahamed202300000000000 Jack Ahearn1954-1955, 1963-196600 100000000 Mario Aji2021-00000000000 Niklas Ajo2010-201500 000000000 Mitsuo Akamatsu196700 000000000 Takashi Akita199800 000000000 Kousuke Akiyoshi2006-2008, 2010-2011, 201500 000000000 Raffaele Alberti1950-195100 000000000 Josef Albisser195300 000000000 Jeremy Alcoba2018-202400000000000 Marc Alcoba202200000000000 Fermin Aldeguer2021-01008000000 Pierluigi Aldrovandi1982-198300 000000000 Alejandro Aleman197800 000000000 Eduardo Aleman1977-1978, 198200 000000000 Jaime Alguersuari, Sr.1973, 197500 000000000 Julien Allemand1998-200000 000000000 Dick Allen196400 000000000 Rudy Allison195400 000000000 David Almansa2022-00000030000 David Alonso2021-1Moto3 - 202400020180000 Florian Alt2013, 201500 000000000 Pedro Alvarez196800 000000000 Luis Alvaro1989, 199100 000000000 Emilio Alzamora1994-20031125cc - 19990 000004000 Nasser Al Malki2011-2012, 201700 000000000 Mashel Al Naimi2010-2011, 201400 000000000 Hamad Al-Sahouti202400000000000 Saeed Al Sulaiti201700000000000 Kunihiro Amano199400 000000000 Luca Amato2012-201300 000000000 Daniel Amatriain1988-198900 000000000 Dario Ambrosini1949-19511250cc - 19500 000500000 Ray Amm1952-195400 340000000 Luigi Ancona1993, 1995-199600 000000000 Bob Anderson1958-196000 000000000 Chris Anderson1963, 196600 000000000 Fergus Anderson 1949-19512350cc - 1953, 19540 270300000 Hugh Anderson1960-19664125cc - 1963, 196550cc - 1963-19640 0000016080 John Anderson195800 000000000 Syl Anderton1949-195200000000000 Kent Andersson1966, 1968-19752125cc - 1973-19740 0004014000 Alessandro Andreozzi2011-201200 000000000 George Andrews1950, 195700 000000000 Luigi Anelli1970, 197200 000000000 Alex de Angelis1999-2015, 2017, 2019-202000003100000 William de Angelis1999-200100000000000 Marcel Ankone1972-1973, 1975-197600 000000000 Hans-Georg Anscheidt1962-1968350cc - 1966-19680 0000000140 Niccolò Antonelli2012-202200 000040000 Alessandro Antonello199600 000000000 Azroy Anuar2022-202300000000000 Haruchika Aoki1993-1999, 2001-20022125cc - 1995-19960 000009000 Nobuatsu Aoki1990-2000, 2002-2005, 2007-200800 000100000 Takuma Aoki1993-1995, 199700 000000000 Hiroshi Aoyama2000-20171250cc - 20090 000900000 Shuhei Aoyama2001-2002, 2004, 2006-2007, 200900 000000000 Bram Appelo200600 000000000 Andre Luc Appietto1969-1970, 197300 000000000 Robin Appleyard1988-199000 000000000 Junya Arai198900 000000000 Toshiyuki Arakaki1991-1993, 1995-199600 000000000 Fernando Aranda195100 000000000 Takeishi Araoka197200 000000000 Adrian Araujo2000-200100 000000000 Tony Arbolino2017-00006030000 Jake Archer2017-201800000000000 Gilbert Argo196900 000000000 Daniel Arcas2008-200900 000000000 Christophe Arciero201300 000000000 Albert Arenas2014, 2016-20251Moto3 - 20200000060000 Manuel Arias197500 000000000 Ken Armstrong197000 000000000 Reg Armstrong1949-195600 410200000 Arciso Artesiani1949-195100 000000000 Xavier Artigas2019, 2021-202400000010000 Sandro Artusi195600 000000000 Javier Arumi1988-198900 000000000 Sadao Asami1978-198100 000000000 Giuseppe Ascareggi1980-1985, 1987-198900 000000000 Franz Aschenbrenner2005-200600 000000000 Stuart Aspin196900 000000000 Nakarin Atiratphuvapat2017-2018, 202500000000000 Len Atlee196600 000000000 Pierre Audry1975-197600 000000000 Karl Auer1969-1972, 1974-197700 000000000 August Auinger1978-198900 000005000 Jean Auréal1969-197000 000001000 Josef Autengruber195800 000000000 Stu Avant1976, 1981-198200 000000000 Rex Avery1961-1962, 1964-1965, 196700 000000000 Helmi Azman2023-202400000000000 Syarifuddin Azman2021-202300000000000 Hafiq Azmi2013-2014, 201600 000000000 Masao Azuma1996-200300 0000010000