2009 French Open – Girls' singles

Kristina Mladenovic won the title, defeating Daria Gavrilova in the final, 6–3, 6–2.

Simona Halep was the defending champion, but chose not to participate. She received a wildcard into the women's singles qualifying competition where she lost to Vitalia Diatchenko in the second round.

Seeds
• # 🇬🇧 Laura Robson (second round)

• # 🇷🇴 Ana Bogdan (first round)

• # 🇷🇺 Ksenia Pervak (semifinals)

• # 🇭🇺 Tímea Babos (third round)

• # 🇹🇭 Noppawan Lertcheewakarn (first round)

• # Ajla Tomljanović (third round)

• # 🇺🇸 Lauren Embree (first round)

• # 🇷🇴 Elena Bogdan (third round)

• # 🇫🇷 Kristina Mladenovic (champion)

• # Camila Silva (first round)

• # Silvia Njirić (quarterfinals)

• # 🇦🇺 Olivia Rogowska (second round)

• # 🇬🇧 Heather Watson (first round)

• # 🇺🇸 Christina McHale (third round)

• # 🇺🇸 Sloane Stephens (semifinals)

• # Verónica Cepede Royg (second round)