2018 Challenger Banque Nationale de Drummondville – Doubles

Sam Groth and Adil Shamasdin were the defending champions but only Shamasdin chose to defend his title, partnering Frank Dancevic. Dancevic and Shamasdin withdrew in the semifinals.

Joris De Loore and Frederik Nielsen won the title after defeating Luis David Martínez and Filip Peliwo 6–4, 6–3 in the final.

Seeds
• # 🇦🇺 Matt Reid / 🇦🇺 John-Patrick Smith (first round)

• # 🇬🇧 Luke Bambridge / 🇬🇧 Joe Salisbury (first round)

• # 🇺🇸 Evan King / 🇺🇸 Nathan Pasha (first round)

• # Ante Pavić / Franko Škugor (quarterfinals)