2023 Challenger Banque Nationale de Drummondville

The 2023 Challenger Banque Nationale de Drummondville was a professional tennis tournament played on indoor hard courts. It was the 16th edition of the tournament and part of the 2023 ATP Challenger Tour. It took place in Drummondville, Canada between November 13 and 19, 2023.

Seeds

 * 1 Rankings are as of November 6, 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇨🇦 Juan Carlos Aguilar
 * 🇨🇦 Justin Boulais
 * 🇨🇦 Dan Martin

The following player received entry into the singles main draw as a special exempt:
 * 🇨🇦 Liam Draxl

The following players received entry from the qualifying draw:
 * 🇨🇦 Benjamin Thomas George
 * 🇬🇧 Giles Hussey
 * 🇺🇸 Alexander Kotzen
 * 🇺🇸 Colin Markes
 * 🇳🇿 Kiranpal Pannu
 * 🇩🇪 Luca Wiedenmann

The following player received entry as a lucky loser:
 * 🇵🇱 Olaf Pieczkowski

Singles

 * 🇧🇪 Zizou Bergs def. 🇦🇺 James Duckworth 6–4, 7–5.

Doubles

 * 🇸🇪 André Göransson / 🇬🇧 Toby Samuel def. 🇨🇦 Liam Draxl / 🇬🇧 Giles Hussey 6–7(2–7), 6–3, [10–8].