| River Nile State | |
| Native Name: | ولاية نهر النيل |
| Settlement Type: | State |
| Mapsize: | 299px |
| Subdivision Type: | Country |
| Subdivision Name: |  Sudan |
| Subdivision Type2: | No. of counties |
| Seat Type: | Capital |
| Seat: | Ad-Damir |
| Area Total Km2: | 122123 |
| Population As Of: | 2018 |
| Population Total: | 1511442[1] |
| Timezone: | CAT |
| Utc Offset: | +2 |
| Coordinates: | 18.45°N 56°W |
| Blank Name Sec2: | HDI (2017) |
| Blank Info Sec2: | 0.602[2] · 3rd |
River Nile State (Arabic: ولاية نهر النيل|Nahr an Nīl) is one of the 18 wilayat or states of Sudan. It has an area of 122,123 km² (47,152 mi²) and an estimated population of 1,511,442 (2018 est).[3] It is made up of seven localities.[4]