2018 Mutua Madrid Open – Women's doubles

Latisha Chan and Martina Hingis were the defending champions, but Hingis retired from professional tennis at the end of 2017. Chan played alongside Bethanie Mattek-Sands, but lost in the quarterfinals to Andrea Sestini Hlaváčková and Barbora Strýcová.

Ekaterina Makarova and Elena Vesnina won the title, defeating Tímea Babos and Kristina Mladenovic in the final, 2–6, 6–4, [10–8].

Seeds
The top four seeds received a bye into the second round. • # 🇷🇺 Ekaterina Makarova / 🇷🇺 Elena Vesnina (champions)

• # 🇨🇿 Andrea Sestini Hlaváčková / 🇨🇿 Barbora Strýcová (semifinals)

• # 🇭🇺 Tímea Babos / 🇫🇷 Kristina Mladenovic (final)

• # 🇨🇦 Gabriela Dabrowski / 🇨🇳 Xu Yifan (second round)

• # Latisha Chan / 🇺🇸 Bethanie Mattek-Sands (quarterfinals)

• # 🇨🇿 Barbora Krejčíková / 🇨🇿 Kateřina Siniaková (second round)

• # Andreja Klepač / 🇪🇸 María José Martínez Sánchez (semifinals)

• # Chan Hao-ching / 🇨🇳 Yang Zhaoxuan (second round)