The 2024 Championnats Banque Nationale de Granby is a professional tennis tournament played on outdoor hard courts.

It was the twenty-ninth (men) and twelfth (women) editions of the tournament, which are part of the 2024 ATP Challenger Tour and the 2024 ITF Women's World Tennis Tour.

It took place in Granby, Quebec, between 15 and 21 July 2024.

[1] The following players received wildcards into the singles main draw: The following players received entry into the singles main draw as alternates: The following players received entry from the qualifying draw: The following players received wildcards into the singles main draw: The following player received entry into the singles main draw using a special ranking: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: