Mykolaiv Raion
| Mykolaivskyi Raion Миколаївський район | |
|---|---|
| Coordinates: 47°3′38″N 31°41′0″E / 47.06056°N 31.68333°E | |
| Country | Ukraine | 
| Oblast | Mykolaiv Oblast | 
| Admin. center | Mykolaiv | 
| Subdivisions | 19 hromadas | 
| Government | |
| • Governor | Yuriy Serebryakov | 
| Area | |
|  • Total | 7,689 km2 (2,969 sq mi) | 
| Population  (2022) | |
|  • Total | 636,832 | 
| • Density | 83/km2 (210/sq mi) | 
| Time zone | UTC+02:00 (EET) | 
| • Summer (DST) | UTC+03:00 (EEST) | 
| Postal index | 57101—57171 | 
| Area code | +380 512 | 
Mykolaiv Raion (Ukrainian: Миколаївський район, romanized: Mykolaivskyi raion) is a raion (district) in Mykolaiv Oblast, Ukraine with a pre-war population of 636,832 (2022 estimate). Its administrative center is the city of Mykolaiv.