2018 Australian Open – Men's doubles

Henri Kontinen and John Peers were the defending champions, but lost in the second round to Radu Albot and Chung Hyeon.

Oliver Marach and Mate Pavić won the title, defeating Juan Sebastián Cabal and Robert Farah in the final, 6–4, 6–4.

Seeds
• 🇵🇱 Łukasz Kubot / 🇧🇷 Marcelo Melo (quarterfinals)

• 🇫🇮 Henri Kontinen / 🇦🇺 John Peers (second round)

• Jean-Julien Rojer / 🇷🇴 Horia Tecău (second round)

• 🇫🇷 Pierre-Hugues Herbert / 🇫🇷 Nicolas Mahut (second round)

• 🇬🇧 Jamie Murray / 🇧🇷 Bruno Soares (second round)

• 🇺🇸 Bob Bryan / 🇺🇸 Mike Bryan (semifinals)

• 🇦🇹 Oliver Marach /  Mate Pavić (champions)

•  Raven Klaasen / 🇳🇿 Michael Venus (first round)

• 🇪🇸 Feliciano López / 🇪🇸 Marc López (second round)

• 🇮🇳 Rohan Bopanna / 🇫🇷 Édouard Roger-Vasselin (third round)

• 🇨🇴 Juan Sebastián Cabal / 🇨🇴 Robert Farah (final)

•  Pablo Cuevas / 🇦🇷 Horacio Zeballos (first round)

• 🇲🇽 Santiago González /  Julio Peralta (first round)

•  Ivan Dodig / 🇪🇸 Fernando Verdasco (first round)

• 🇵🇱 Marcin Matkowski / 🇵🇰 Aisam-ul-Haq Qureshi (quarterfinals)

• 🇺🇸 Rajeev Ram / 🇮🇳 Divij Sharan (third round)