Zeller John Hartle MV Agusta 1955 Geoff Duke Gilera Reg Armstrong Umberto Masetti Gilera 1954 Geoff Duke Gilera Ray Amm Ken Kavanagh GileraTytułu nie przyznano w 1954 roku. 1953 Geoff Duke Gilera Reg Armstrong Alfredo Milani Gilera 1952 Umberto Masetti Gilera Leslie Graham Reg Armstrong Norton 1951 Geoff Duke† Norton Alfredo Milani Umberto Masetti Norton 1950 Umberto Masetti Gilera Geoff Duke Leslie Graham Norton 1949 Leslie Graham AJS Nello Pagani Arciso Artesiani AJS
Według liczby zdobytych tytułów mistrza świata motocyklistów MotocyklistaŁącznieSezon Giacomo Agostini8 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1975 Valentino Rossi7 2001, 2002, 2003, 2004, 2005, 2008, 2009 Marc Márquez7 2013, 2014, 2016, 2017, 2018, 2019, 2025 Michael Doohan5 1994, 1995, 1996, 1997, 1998 Geoff Duke4 1951, 1953, 1954, 1955 John Surtees4 1956, 1958, 1959, 1960 Mike Hailwood4 1962, 1963, 1964, 1965 Eddie Lawson4 1984, 1986, 1988, 1989 Kenny Roberts3 1978, 1979, 1980 Wayne Rainey3 1990, 1991, 1992 Jorge Lorenzo3 2010, 2012, 2015 Umberto Masetti2 1950, 1952 Phil Read2 1973, 1974 Barry Sheene2 1976, 1977 Freddie Spencer2 1983, 1985 Casey Stoner2 2007, 2011 Leslie Graham1 1949 Libero Liberati1 1957 Gary Hocking1 1961 Marco Lucchinelli1 1981 Franco Uncini1 1982 Wayne Gardner1 1987 Kevin Schwantz1 1993 Àlex Crivillé1 1999 Kenny Roberts Jr.1 2000