| Venue: | Altenrhein, Switzerland |
| Date: | 3-4 September 1983 |
| Previous: | Goodwood 1982 |
| Next: | Barcelona 1984 |
The 1983 UCI Road World Championships took place between 3-4 September 1983 in Altenrhein, Switzerland.
| Race: | Gold: | Time | Silver: | Time | Bronze : | Time | |
| Men | |||||||
| Men's road race | Greg LeMond | 7.01'21" | Adri van der Poel | + 1'11" | Stephen Roche | + 1'11" | |
| Amateurs' road race | Uwe Raab | - | Niki Rüttimann | - | Andrzej Serediuk | - | |
| Team time trial | - | - | - | ||||
| Women | |||||||
| Women's road race | Marianne Berglund | 1.38'17" | Rebecca Twigg | - | Maria Canins | - | |