| 2023 Challenger La Manche | |
|---|---|
| Date | 13–19 February |
| Edition | 30th |
| Surface | Hard (indoor) |
| Location | Cherbourg, France |
| Champions | |
| Singles | |
 Giulio Zeppieri | |
| Doubles | |
 Ivan Liutarevich /  Vladyslav Manafov | |
The 2023 Challenger La Manche was a professional tennis tournament played on indoor hard courts. It was the 30th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Cherbourg, France between 13 and 19 February 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 CAN | Vasek Pospisil | 100 | 1 |
 AUS | John Millman | 139 | 2 |
 FRA | Luca Van Assche | 145 | 3 |
| FRA | Hugo Grenier | 148 | 4 |
| FRA | Geoffrey Blancaneaux | 151 | 5 |
| ITA | Giulio Zeppieri | 166 | 6 |
| FRA | Laurent Lokoli | 174 | 7 |
 SUI | Alexander Ritschard | 185 | 8 |
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:
Giulio Zeppieri def. Titouan Droguet 7–5, 7–6(7–4). Ivan Liutarevich / Vladyslav Manafov def. 
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