| 2019 Tunis Open | |
|---|---|
| Date | 15–21 April |
| Edition | 11th |
| Draw | 48S / 16D |
| Surface | Clay |
| Location | Tunis, Tunisia |
| Champions | |
| Singles | |
 Pablo Cuevas | |
| Doubles | |
 Ruben Bemelmans /  Tim Pütz | |
The 2019 Tunis Open was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Tunis, Tunisia between 15 and 21 April 2019.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| URU | Pablo Cuevas | 83 | 1 |
 POR | Pedro Sousa | 105 | 2 |
 ESP | Guillermo García López | 115 | 3 |
| ESP | Pedro Martínez | 140 | 4 |
 ARG | Facundo Bagnis | 142 | 5 |
| GER | Oscar Otte | 150 | 6 |
 FRA | Quentin Halys | 153 | 7 |
 ITA | Stefano Travaglia | 155 | 8 |
| BEL | Ruben Bemelmans | 163 | 9 |
| ITA | Lorenzo Giustino | 169 | 10 |
 EST | Jürgen Zopp | 171 | 11 |
| ESP | Daniel Gimeno Traver | 189 | 12 |
| ARG | Facundo Argüello | 190 | 13 |
| ITA | Roberto Marcora | 193 | 14 |
| ITA | Stefano Napolitano | 199 | 15 |
 RUS | Alexey Vatutin | 201 | 16 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
The following players received entry into the singles main draw using their ITF World Tennis Ranking:
The following players received entry from the qualifying draw:
Pablo Cuevas def. João Domingues 7–5, 6–4. Ruben Bemelmans / Tim Pütz def. Facundo Argüello / Guillermo Durán 6–3, 6–1.
