1931 French Championships – Men's singles
| Men's singles | |
|---|---|
| 1931 French Championships | |
| Champion | Jean Borotra |
| Runner-up | Christian Boussus |
| Score | 2–6, 6–4, 7–5, 6–4 |
| Draw | 89 |
| Seeds | 16 |
First-seeded Jean Borotra defeated Christian Boussus 2–6, 6–4, 7–5, 6–4 in the final to win the men's singles tennis title at the 1931 French Championships.