| 2018 Gazprom Hungarian Open | |
|---|---|
| Date | April 23 – 29 |
| Edition | 2nd |
| Category | ATP World Tour 250 series |
| Draw | 28S / 16D |
| Prize money | €501,345 |
| Surface | Clay / outdoor |
| Location | Budapest, Hungary |
| Venue | Nemzeti Edzés Központ |
| Champions | |
| Singles | |
 Marco Cecchinato | |
| Doubles | |
 Dominic Inglot /  Franko Škugor | |
The 2018 Gazprom Hungarian Open was a men's tennis tournament played on outdoor clay courts. It was the 2nd edition of the Hungarian Open, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at Nemzeti Edzés Központ in Budapest, Hungary, from April 23–29.