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.
The following players received wildcards into the singles main draw: The following player received entry into the singles main draw as a special exempt: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: