2018 US Open – Girls' doubles

Olga Danilović and Marta Kostyuk were the defending champions, but both players chose not to participate.

Top seeds Cori Gauff and Caty McNally won the title, defeating Hailey Baptiste and Dalayna Hewitt in an all-American final, 6–3, 6–2.

Seeds
• # 🇺🇸 Cori Gauff / 🇺🇸 Caty McNally (champions)

• # 🇱🇺 Eléonora Molinaro / 🇨🇳 Wang Xiyu (first round)

• # 🇺🇸 Alexa Noel / 🇯🇵 Naho Sato (quarterfinals)

• # 🇮🇹 Elisabetta Cocciaretto / Clara Tauson (second round)

• # Joanna Garland / 🇯🇵 Moyuka Uchijima (semifinals)

• # 🇫🇷 Clara Burel / 🇫🇷 Diane Parry (second round)

• # 🇨🇴 Camila Osorio / 🇺🇸 Gabriella Price (quarterfinals)

• # 🇺🇸 Hurricane Tyra Black / 🇺🇸 Lea Ma (second round)