| Official Name: | Nyzhniohirskyi Raion |
| Native Name: | Seyitler rayonı |
| Settlement Type: | Raion |
| Mapsize: | 250px |
| Pushpin Map Caption: | Location within |
| Subdivision Type: | Country |
| Subdivision Name: | (occupied by Russia) |
| Subdivision Type1: | Republic |
| Subdivision Name1: | Crimea |
| Parts Type: | Subdivisions |
| Parts Style: | list |
| P1: | 0 cities |
| P2: | 1 towns |
| P3: | 58 villages |
| Seat Type: | Capital |
| Seat: | Nyzhniohirskyi |
| Area Total Km2: | 1212 |
| Population As Of: | 2014 |
| Population Total: | 45092 |
| Population Density Km2: | auto |
| Timezone: | MSK |
| Utc Offset: | +3 |
| Area Code Type: | Dialing code |
| Area Code: | +380- |
Nyzhniohirskyi Raion (Ukrainian: Нижньогірський район, Russian: Нижнегорский район, Crimean Tatar; Crimean Turkish: Seyitler rayonı) is one of the 25 regions of the Autonomous Republic of Crimea, a territory recognised by a majority of countries as part of Ukraine and incorporated by Russia as the Republic of Crimea. It is situated in the north-eastern part of the republic. The administrative centre of the raion is the urban-type settlement of Nyzhniohirskyi. Population:
See also: Administrative divisions of Crimea. In July 2020, Ukraine conducted an administrative reform throughout its de jure territory. This included Crimea, which was at the time occupied by Russia, and is still ongoing as of October 2023. Crimea was reorganized from 14 raions and 11 municipalities into 10 raions, with municipalities abolished altogether.
Nyzhnohirskyi Raion was abolished, and its territories to become a part of Bilohirsk Raion, but this has not yet been implemented due to the ongoing Russian occupation.[1]
The population of the district is diverse. Ethnic distribution according to the 2001 Ukrainian census:[2]