250cc World Road Racing Champions
1949 - 1969
| Year | Rider | Country | Make |
| 1949 | Bruno Ruffo | Italy | Guzzi |
| 1950 | Dario Ambrosini | Italy | Benelli |
| 1951 | Bruno Ruffo | Italy | Guzzi |
| 1952 | Enrico Lorenzetti | Italy | Guzzi |
| 1953 | Werner Haas | W. Germany | NSU |
| 1954 | Werner Haas | W. Germany | NSU |
| 1955 | Hermann Muller | W. Germany | NSU |
| 1956 | Carlo Ubbiali | Italy | MV |
| 1957 | Cecil Sandford | Britain | Mondial |
| 1958 | Tarquinio Provini | Italy | MV |
| 1959 | Carlo Ubbiali | Italy | MV |
| 1960 | Carlo Ubbiali | Italy | MV |
| 1961 | Mike Hailwood | Britain | Honda |
| 1962 | Jim Redman | Rhodesia | Honda |
| 1963 | Jim Redman | Rhodesia | Honda |
| 1964 | Phil Read | Britain | Yamaha |
| 1965 | Phil Read | Britain | Yamaha |
| 1966 | Mike Hailwood | Britain | Honda |
| 1967 | Mike Hailwood | Britain | Honda |
| 1968 | Phil Read | Britain | Yamaha |
| 1969 | Kel Carruthers | Australia | Benelli |