2017 US Open – Girls' singles

Amanda Anisimova won the title, defeating Coco Gauff in the final, 6–0, 6–2.

Kayla Day was the defending champion, but chose to compete in the women's singles competition after receiving a main-draw wildcard. She lost to Shelby Rogers in the first round.

Seeds
• # 🇺🇸 Whitney Osuigwe (second round)

• # 🇺🇦 Marta Kostyuk (second round)

• # 🇷🇺 Elena Rybakina (quarterfinals)

• # 🇺🇸 Amanda Anisimova (champion)

• # 🇨🇦 Carson Branstine (second round)

• # 🇨🇳 Wang Xinyu (second round)

• # 🇺🇸 Taylor Johnson (first round)

• # 🇷🇸 Olga Danilović (quarterfinals)

• # 🇺🇸 Sofia Sewing (first round)

• # Simona Waltert (third round)

• # 🇺🇸 Ann Li (first round)

• # 🇨🇴 Camila Osorio (second round)

• # 🇬🇧 Emily Appleton (first round)

• # 🇯🇵 Mai Hontama (first round)

• # 🇷🇺 Sofya Lansere (third round)

• # Liang En-shuo (second round)

Seeds
• # 🇵🇱 Ania Hertel (qualifying competition)

• # 🇫🇷 Yasmine Mansouri (first round)

• # 🇨🇴 Sofía Múnera Sánchez (first round)

• # 🇪🇸 Paula Arias Manjón (qualified)

• # 🇺🇸 Nicole Mossmer (qualifying competition)

• # Cho I-hsuan (first round)

• # 🇬🇧 Ali Collins (qualifying competition)

• # Clara Tauson (first round)

• # 🇺🇦 Viktoriia Dema (qualified)

• # 🇵🇬 Violet Apisah (qualifying competition)

• # 🇵🇱 Maja Chwalińska (qualified)

• # 🇯🇵 Anri Nagata (first round)

• # 🇮🇹 Monica Cappelletti (qualified)

• # 🇧🇮 Sada Nahimana (qualified)

• # 🇵🇪 Anastasia Iamachkine (first round)

• # 🇷🇺 Daria Frayman (qualified)

Qualifiers
• # 🇮🇹 Monica Cappelletti

• # 🇺🇸 Nikki Redelijk

• # 🇺🇦 Margaryta Bilokin

• # 🇪🇸 Paula Arias Manjón

• # 🇷🇺 Daria Frayman

• # 🇧🇮 Sada Nahimana

• # 🇺🇦 Viktoriia Dema

• # 🇵🇱 Maja Chwalińska