| 2023 JC Ferrero Challenger Open | |
|---|---|
| Date | 2–8 October |
| Edition | 6th |
| Surface | Clay |
| Location | Alicante, Spain |
| Champions | |
| Singles | |
 Constant Lestienne | |
| Doubles | |
 Niki Kaliyanda Poonacha / Divij Sharan | |
The 2023 JC Ferrero Challenger Open was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Alicante, Spain between 2 and 8 October 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| FRA | Constant Lestienne | 94 | 1 |
 SVK | Alex Molčan | 113 | 2 |
 ESP | Pedro Martínez | 116 | 3 |
| FRA | Benoît Paire | 121 | 4 |
| FRA | Arthur Cazaux | 125 | 5 |
 GER | Maximilian Marterer | 126 | 6 |
 ARG | Thiago Agustín Tirante | 143 | 7 |
 ITA | Mattia Bellucci | 144 | 8 |
The following players received wildcards into the singles main draw:
Diego Augusto Barreto Sánchez
Darwin Blanch Martín Landaluce The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Constant Lestienne def. Hugo Grenier 6–7(10–12), 6–2, 6–4. Niki Kaliyanda Poonacha / Divij Sharan def. Jeevan Nedunchezhiyan / 
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