Vania King and Yaroslava Shvedova were the defending champions but lost in the second round to Sabine Lisicki and Samantha Stosur.
Liezel Huber and Lisa Raymond were the defending champions but lost to Hsieh Su-wei and Anabel Medina Garrigues in the third round.
Russian pair Svetlana Kuznetsova and Vera Zvonareva were the defending champions, but Zvonareva decided not to participate due to injury. Kuznetsova partnered up with Yanina Wickmayer but they lost in the second round to Nuria Llagostera Vives and Zheng Jie.
Liezel Huber and Lisa Raymond were the defending champions but decided not to participate together this year.
Huber played alongside Hsieh Su-wei, but lost to Daniela Hantuchová and Anabel Medina Garrigues in the first round while Raymond partnered up with Samantha Stosur, but lost to Raquel Kops-Jones and Abigail Spears in the quarterfinals.
Sara Errani and Roberta Vinci won the title, defeating Nadia Petrova and Katarina Srebotnik in the final 2–6, 6–3, [10–6].
Sara Errani and Roberta Vinci were the defending champions, but chose not to participate in doubles.
Anastasia Pavlyuchenkova and Lucie Šafářová won the title, defeating Cara Black and Marina Erakovic in the final, 6–2, 6–4.
Sara Errani and Roberta Vinci were the defending champions, but lost in the final to Ekaterina Makarova and Elena Vesnina 5–7, 2–6.
Serena and Venus Williams were the defending champions, but could not defend after Venus withdrew with a back injury before the start of competition.
Sara Errani and Roberta Vinci were the defending champions, but lost to Serena and Venus Williams in the quarterfinals.
Andrea Hlaváčková and Lucie Hradecká won the title, defeating Ashleigh Barty and Casey Dellacqua in the final, 6–7(4–7), 6–1, 6–4.
Sara Errani and Roberta Vinci were the defending champions and successfully defended their title, defeating Ekaterina Makarova and Elena Vesnina in the final, 6–4, 3–6, 7–5.
Sara Errani and Roberta Vinci were the defending champions, but lost in the semifinals to Květa Peschke and Katarina Srebotnik.
Hsieh Su-wei and Peng Shuai won the title, defeating Peschke and Srebotnik in the final, 6–4, 6–0. By winning her second round match, Peng replaced Errani and Vinci as the world No. 1 in doubles.
Ekaterina Makarova and Elena Vesnina were the defending champions, but lost in the second round to Julie Coin and Pauline Parmentier.
Hsieh Su-wei and Peng Shuai were the defending champions, but lost to Anabel Medina Garrigues and Yaroslava Shvedova in the second round.
Květa Peschke and Katarina Srebotnik won the title, defeating Sara Errani and Roberta Vinci in the final, 4–0, ret.
Hsieh Su-wei and Peng Shuai were the defending champions, but lost in the third round to Tímea Babos and Kristina Mladenovic.
Andrea Hlaváčková and Lucie Hradecká were the defending champions, but chose not to participate together. Hlaváčková played alongside Zheng Jie, but lost in the quarterfinals to Kimiko Date-Krumm and Barbora Záhlavová-Strýcová. Hradecká teamed up with Michaëlla Krajicek, but lost in the third round to Zarina Diyas and Xu Yifan.
Ekaterina Makarova and Elena Vesnina won their second Grand Slam doubles title together, defeating Martina Hingis and Flavia Pennetta in the final, 2–6, 6–3, 6–2.
Bethanie Mattek-Sands and Lucie Šafářová were the defending champions, but Mattek-Sands was unable to compete due to injury. Šafářová played alongside Barbora Strýcová, but lost in the semifinals to Lucie Hradecká and Kateřina Siniaková.
Ekaterina Makarova and Elena Vesnina successfully defended their title, defeating Anna-Lena Grönefeld and Květa Peschke in the final, 6–0, 6–4.
Barbora Krejčíková and Kateřina Siniaková defeated Nicole Melichar and Květa Peschke in the final, 6–4, 4–6, 6–0 to win the ladies' doubles tennis title at the 2018 Wimbledon Championships. They became the first team to win the Channel Slam since Kim Clijsters and Ai Sugiyama in 2003, and the first team to win both the Wimbledon junior and senior doubles titles together.
Tímea Babos and Kristina Mladenovic won the women's doubles tennis title at the 2018 Australian Open, defeating Ekaterina Makarova and Elena Vesnina in the final, 6–4, 6–3. It was the first Grand Slam title for Babos, who became the first Hungarian player to win a Grand Slam event since Andrea Temesvári in the 1986 French Open and the second Grand Slam title for Mladenovic.
Elise Mertens and Demi Schuurs were the defending champions, but chose not to participate together. Schuurs teamed up with Anna-Lena Grönefeld, but lost in the semifinals to Mertens and Aryna Sabalenka.
Andrea Sestini Hlaváčková and Barbora Strýcová were the defending champions, but Sestini Hlaváčková did not participate due to maternity leave. Strýcová played alongside Hsieh Su-wei, but lost in the second round to Jeļena Ostapenko and Dayana Yastremska.
Hsieh Su-wei 
Peng Shuai 
Anna-Lena Grönefeld 
Květa Peschke 
