2003 French Open – Men's singles
| Men's singles | |
|---|---|
| 2003 French Open | |
| Champion | Juan Carlos Ferrero |
| Runner-up | Martin Verkerk |
| Score | 6–1, 6–3, 6–2 |
| Draw | 128 |
| Seeds | 32 |
Juan Carlos Ferrero defeated Martin Verkerk in the final, 6–1, 6–3, 6–2 to win the men's singles tennis title at the 2003 French Open. It was his first and only major singles title.
Albert Costa was the defending champion, but lost in the semifinals to Ferrero in a rematch of the previous year's final.