List of Grand Prix motorcycle racers: J

Name Seasons Championships MotoGP Wins 500cc Wins 350cc Wins Moto2 Wins 250cc Wins Moto3 Wins 125cc Wins 80cc Wins 50cc Wins
United States P. J. Jacobsen 2008 0 0 0 0 0 0 0 0 0 0
France Olivier Jacque 1995-2005, 2007 1
250cc - 2000 		0 0 0 0 7 0 0 0 0
France Quentin Jacquet 2009-2010 0 0 0 0 0 0 0 0 0 0
Sweden Börje Jansson 1969-1973 0 0 0 0 0 1 0 3 0 0
Slovakia Jakub Jantulík 2009 0 0 0 0 0 0 0 0 0 0
Spain Raúl Jara 2001-2002 0 0 0 0 0 0 0 0 0 0
France Jean-Pierre Jeandat 1989-1996 0 0 0 0 0 0 0 0 0 0
United Kingdom David Jefferies 1993 0 0 0 0 0 0 0 0 0 0
United Kingdom Tony Jefferies 1970-1971 0 0 0 1 0 0 0 0 0 0
United Kingdom Griff Jenkins 1964-1965, 1967 0 0 0 0 0 0 0 0 0 0
United Kingdom Denis Jenkinson 1950 0 0 0 0 0 0 0 0 0 0
Germany Steve Jenkner 1997-2005 0 0 0 0 0 0 1 0 0 0
New Zealand Syd Jensen 1949-1950 0 0 0 0 0 0 0 0 0 0
Spain Enrique Jerez 2004-2008 0 0 0 0 0 0 0 0 0 0
Germany Lothar John 1966, 1968-1973 0 0 0 0 0 0 0 0 0 0
Republic of Ireland Paul Jordan 2008-2009 0 0 0 0 0 0 0 0 0 0
Belgium Serge Julin 1984-1985, 1987-1989 0 0 0 0 0 0 0 0 0 0
Hungary Károly Juhász 1987-1988 0 0 0 0 0 0 0 0 0 0