2018 Rogers Cup – Men's doubles

Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but lost in the second round to Kevin Anderson and Novak Djokovic.

Henri Kontinen and John Peers won the title, defeating Raven Klaasen and Michael Venus in the final, 6–2, 6–7(7–9), [10–6].

Seeds
All seeds received a bye into the second round. • # 🇦🇹 Oliver Marach / Mate Pavić (semifinals)

• # 🇫🇮 Henri Kontinen / 🇦🇺 John Peers (champions)

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

• # 🇺🇸 Mike Bryan / 🇺🇸 Jack Sock (quarterfinals)

• # 🇵🇱 Łukasz Kubot / 🇧🇷 Marcelo Melo (second round)

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

• # Jean-Julien Rojer / 🇷🇴 Horia Tecău (quarterfinals)

• # 🇨🇴 Juan Sebastián Cabal / 🇨🇴 Robert Farah (second round)