2018 Open Harmonie mutuelle – Doubles

Andre Begemann and Frederik Nielsen were the defending champions but chose not to defend their title.

Sander Arends and Tristan-Samuel Weissborn won the title after defeating Luke Bambridge and Joe Salisbury 4–6, 6–1, [10–7] in the final.

Seeds
• # 🇫🇷 Hugo Nys / 🇬🇧 Ken Skupski (semifinals)

• # 🇮🇳 Jeevan Nedunchezhiyan / 🇮🇳 Purav Raja (first round)

• # Sander Arends / 🇦🇹 Tristan-Samuel Weissborn (champions)

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