2018 U.S. Men's Clay Court Championships – Doubles

Julio Peralta and Horacio Zeballos were the defending champions, but lost in the first round to Max Mirnyi and Philipp Oswald.

Mirnyi and Oswald went on to win the title, defeating Andre Begemann and Antonio Šančić in the final, 6–7(2–7), 6–4, [11–9].

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

• # 🇺🇸 Ryan Harrison / 🇯🇵 Ben McLachlan (first round)

• # Julio Peralta / 🇦🇷 Horacio Zeballos (first round)

• # 🇲🇽 Santiago González / 🇺🇸 Donald Young (quarterfinals)