The 2024 Open Saint-Brieuc was a professional tennis tournament played on hard courts.

It was the 19th edition of the tournament which was part of the 2024 ATP Challenger Tour.

It took place in Saint-Brieuc, France between 14 and 20 October 2024.

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 player received entry as a lucky loser: