1966 French Championships – Men's singles
| Men's singles | |
|---|---|
| 1966 French Championships | |
| Champion | Tony Roche |
| Runner-up | István Gulyás |
| Score | 6–1, 6–4, 7–5 |
| Draw | 120 |
| Seeds | 16 |
Third-seeded Tony Roche defeated István Gulyás 6–1, 6–4, 7–5 in the final to win the men's singles tennis title at the 1966 French Championships.