2017 Mutua Madrid Open – Women's singles

Defending champion Simona Halep defeated Kristina Mladenovic in the final, 7–5, 6–7(5–7), 6–2 to win the women's singles tennis title at the 2017 Madrid Open.

As a result of Serena Williams' withdrawal due to pregnancy, Angelique Kerber regained the WTA no. 1 ranking at the end of the tournament.

Seeds
• 🇩🇪 Angelique Kerber (third round, retired)

• 🇨🇿 Karolína Plíšková (second round)

• 🇷🇴 Simona Halep (champion)

• 🇸🇰 Dominika Cibulková (second round)

• 🇪🇸 Garbiñe Muguruza (first round)

• 🇬🇧 Johanna Konta (first round)

• 🇵🇱 Agnieszka Radwańska (withdrew due to a foot injury)

• 🇷🇺 Svetlana Kuznetsova (semifinals)

• 🇺🇸 Madison Keys (first round)

• Caroline Wozniacki (second round)

• 🇺🇦 Elina Svitolina (first round)

• 🇷🇺 Elena Vesnina (first round)

• 🇷🇺 Anastasia Pavlyuchenkova (first round)

• 🇫🇷 Kristina Mladenovic (final)

• 🇨🇿 Barbora Strýcová (second round)

• 🇦🇺 Samantha Stosur (third round)

• Mirjana Lučić-Baroni (first round)

Seeds
• # 🇺🇸 Shelby Rogers (qualifying competition, retired)

• # Jeļena Ostapenko (withdrew, still competing in Prague)

• # 🇸🇪 Johanna Larsson (qualified)

• # 🇨🇳 Wang Qiang (qualified)

• # 🇫🇷 Océane Dodin (qualified)

• # 🇪🇪 Anett Kontaveit (qualifying competition, lucky loser)

• # 🇨🇳 Zheng Saisai (qualified)

• # 🇫🇷 Pauline Parmentier (qualified)

• # 🇯🇵 Risa Ozaki (qualifying competition)

• # 🇧🇬 Tsvetana Pironkova (first round)

• # 🇺🇸 Jennifer Brady (qualifying competition)

• # 🇷🇺 Natalia Vikhlyantseva (first round, retired)

• # 🇷🇺 Evgeniya Rodina (qualifying competition)

• # 🇩🇪 Andrea Petkovic (qualified)

• # 🇵🇱 Magda Linette (first round)

• # 🇯🇵 Nao Hibino (first round)

Qualifiers
• # Donna Vekić

• # 🇩🇪 Andrea Petkovic

• # 🇸🇪 Johanna Larsson

• # 🇨🇳 Wang Qiang

• # 🇫🇷 Océane Dodin

• # 🇨🇴 Mariana Duque Mariño

• # 🇨🇳 Zheng Saisai

• # 🇫🇷 Pauline Parmentier

Lucky loser
• # 🇪🇪 Anett Kontaveit