| 2023 Tunis Open | |
|---|---|
| Date | 15–20 May |
| Edition | 13th |
| Surface | Clay |
| Location | Tunis, Tunisia |
| Champions | |
| Singles | |
 Sho Shimabukuro | |
| Doubles | |
 Théo Arribagé / Luca Sanchez | |
The 2023 Tunis Open was a professional tennis tournament played on clay courts. It was the 13th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Tunis, Tunisia between 15 and 20 May 2023.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 CRO | Borna Gojo | 102 | 1 |
 GBR | Liam Broady | 138 | 2 |
 CHI | Tomás Barrios Vera | 143 | 3 |
 GER | Maximilian Marterer | 148 | 4 |
 ARG | Thiago Agustín Tirante | 150 | 5 |
 POR | João Sousa | 156 | 6 |
 ITA | Mattia Bellucci | 165 | 7 |
 BIH | Damir Džumhur | 172 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main as a special exempt:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Jesper de Jong Shintaro Mochizuki 
Daniel Rincón Sho Shimabukuro Alexander Weis
Damien Wenger The following player received entry as a lucky loser:
Sho Shimabukuro def. Geoffrey Blancaneaux 6–4, 6–4. Théo Arribagé / Luca Sanchez def. 
James McCabe / 
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