List of Grand Prix motorcycle racing World champions By rider Grand Prix motorcycle racing World champions

| Rank_ | Rider | Country | Winning_span | MotoGP_500cc | _350cc | Moto2_250cc | Moto3_125cc | _80cc_50cc | Total |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Nicky Hayden Category:Articles with hCards | United States | 2006 | 1 | 0 | 0 | 0 | 0 | 1 |
| 51 | Freddie Frith Category:Articles with hCards | United Kingdom | 1949 | 0 | 1 | 0 | 0 | 0 | 1 |
| 51 | Bob Foster Category:Articles with hCards | United Kingdom | 1950 | 0 | 1 | 0 | 0 | 0 | 1 |
| 51 | Keith Campbell Category:Articles with hCards | Australia | 1957 | 0 | 1 | 0 | 0 | 0 | 1 |
| 51 | Johnny Cecotto Category:Articles with hCards | Venezuela | 1975 | 0 | 1 | 0 | 0 | 0 | 1 |
| 51 | Takazumi Katayama Category:Articles with hCards | Japan | 1977 | 0 | 1 | 0 | 0 | 0 | 1 |
| 51 | Jon Ekerold Category:Articles with hCards | South Africa | 1980 | 0 | 1 | 0 | 0 | 0 | 1 |