| 2024 Zadar Open | |
|---|---|
| Date | 18–24 March |
| Edition | 4th |
| Surface | Clay |
| Location | Zadar, Croatia |
| Champions | |
| Singles | |
 Jozef Kovalík | |
| Doubles | |
 Manuel Guinard / Grégoire Jacq | |
The 2024 Zadar Open was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Zadar, Croatia between 18 and 24 March 2024.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 AUT | Dominic Thiem | 91 | 1 |
| FRA | Corentin Moutet | 105 | 2 |
 HUN | Zsombor Piros | 106 | 3 |
| AUT | Filip Misolic | 164 | 4 |
 CRO | Dino Prižmić | 169 | 5 |
 ITA | Stefano Travaglia | 189 | 6 |
| FRA | Matteo Martineau | 190 | 7 |
 BIH | Nerman Fatić | 194 | 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:
Mathys Erhard
Jonáš Forejtek Evan Furness Arthur Gea Sandro Kopp
Oleksii Krutykh Jozef Kovalík def. 
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