| Date: | 23–28 January |
| Edition: | 15th |
| Surface: | Hard (indoor) |
| Location: | Quimper, France |
| Champs: |  Pierre-Hugues Herbert |
| Champd: | Manuel Guinard / Arthur Rinderknech |
The 2024 Open Quimper Bretagne was a professional tennis tournament played on hard courts. It was the 15th edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Quimper, France between 23 and 28 January 2024.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| France | Grégoire Barrère | 83 | 1 | |
| France | Arthur Rinderknech | 94 | 2 | |
| France | ||||
| France | Constant Lestienne | 99 | 4 | |
 United States | Michael Mmoh | 104 | 5 | |
| United States | Maxime Cressy | 123 | 6 | |
 Czech Republic | Vít Kopřiva | 132 | 7 | |
 Canada | Gabriel Diallo | 135 | 8 | |
| Duje Ajduković | 141 | 9 |
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:
Dan Added
Ričardas Berankis Mathias Bourgue
Moez Echargui
Samuel Vincent Ruggeri Émilien VoisinThe following player received entry as a lucky loser:
See main article: 2024 Open Quimper Bretagne – Singles.
Pierre-Hugues Herbert def. Duje Ajduković 6–3, 6–2.See main article: 2024 Open Quimper Bretagne – Doubles.
Manuel Guinard / Arthur Rinderknech def. 
Anirudh Chandrasekar / Vijay Sundar Prashanth 7–6(7–4), 6–3.