2018 Kunal Patel San Francisco Open – Doubles

Matt Reid and John-Patrick Smith were the defending champions but chose not to defend their title.

Marcelo Arévalo and Roberto Maytín won the title after defeating Luke Bambridge and Joe Salisbury 6–3, 6–7(5–7), [10–7] in the final.

Seeds
• # Ariel Behar / 🇦🇷 Máximo González (semifinals)

• # 🇬🇧 Luke Bambridge / 🇬🇧 Joe Salisbury (final)

• # 🇮🇳 Jeevan Nedunchezhiyan / Christopher Rungkat (semifinals)

• # Marcelo Arévalo / 🇻🇪 Roberto Maytín (champions)