| 2023 Sanremo Challenger | |
|---|---|
| Date | 27 March – 2 April |
| Edition | 11th |
| Surface | Clay |
| Location | Sanremo, Italy |
| Champions | |
| Singles | |
 Luca Van Assche | |
| Doubles | |
 Victor Vlad Cornea /  Franko Škugor | |
The 2023 Sanremo Challenger was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Sanremo, Italy between 27 March and 2 April 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 PER | Juan Pablo Varillas | 88 | 1 |
 ITA | Marco Cecchinato | 95 | 2 |
| Alexander Shevchenko | 101 | 3 | |
| Aslan Karatsev | 107 | 4 | |
| FRA | Luca Van Assche | 108 | 5 |
| ITA | Matteo Arnaldi | 116 | 6 |
| Pavel Kotov | 117 | 7 | |
| ITA | Giulio Zeppieri | 124 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry into the singles main draw as special exempts:
The following players received entry from the qualifying draw:
Luca Van Assche def. Juan Pablo Varillas 6–1, 6–3. Victor Vlad Cornea / Franko Škugor def. 
Nikola Ćaćić / 
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