The 2024 Open de Vendée was a professional tennis tournament played on hard courts. It was the 11th edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Mouilleron-le-Captif, France between 30 September and 6 October 2024.

Country	Player	Rank1	Seed
FRA	Quentin Halys	99	1
FRA	Harold Mayot	115	2
FRA	Richard Gasquet	120	3
FRA	Lucas Pouille	124	4
GBR	Jacob Fearnley	126	5
SRB	Hamad Medjedovic	135	6
FRA	Grégoire Barrère	148	7
DEN	August Holmgren	167	8

• ¹ Rankings are as of 23 September 2024.^[1]

The following players received wildcards into the singles main draw:

• Sascha Gueymard Wayenburg
• Manuel Guinard
• Lucas Poullain

The following player received entry into the singles main draw as an alternate:

• Daniel Masur

The following players received entry from the qualifying draw:

• Nikoloz Basilashvili
• Mathias Bourgue
• Buvaysar Gadamauri
• Alexandre Reco
• Jelle Sels
• Alexey Vatutin

The following players received entry as lucky losers:

• Eliakim Coulibaly
• Alexis Gautier

• Lucas Pouille def. Quentin Halys 6–4, 6–4.

• Marcelo Demoliner / Christian Harrison def. August Holmgren / Johannes Ingildsen 6–3, 7–5.