| Champ: |  Leylah Fernandez |
| Runner: |  Emma Navarro |
| Score: | 6–3, 6–2 |
| Before Name: | French Open – Girls' singles |
See main article: 2019 French Open.
Leylah Fernandez won the girls' singles tennis title at the 2019 French Open, defeating Emma Navarro in the final, 6–3, 6–2.
Cori Gauff was the defending champion, but received a wildcard into the women's singles qualifying competition, losing to Kaja Juvan in the second round.