2018 Miami Open – Women's doubles

Ashleigh Barty and CoCo Vandeweghe defeated Barbora Krejčíková and Kateřina Siniaková in the final, 6–2, 6–1 to win the women's doubles tennis title at the 2018 Miami Open.

Gabriela Dabrowski and Xu Yifan were the defending champions, but lost in the first round to Elise Mertens and Demi Schuurs.

Seeds
• # 🇷🇺 Ekaterina Makarova / 🇷🇺 Elena Vesnina (semifinals)

• # Chan Hao-ching / Latisha Chan (quarterfinals)

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

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

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

• # 🇨🇿 Barbora Krejčíková / 🇨🇿 Kateřina Siniaková (final)

• # Kiki Bertens / 🇸🇪 Johanna Larsson (first round)

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