| Novomykolaivskyi Raion | |
| Native Name: | Новомикола́ївський райо́н |
| Native Name Lang: | uk |
| Settlement Type: | Raion |
| Flag Alt: | Flag of Novomykolaivskyi Raion |
| Shield Alt: | Coat of arms of Novomykolaivskyi Raion |
| Mapsize: | 225px |
| Coordinates: | 47.8942°N 35.9132°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Zaporizhzhia Oblast |
| Parts Type: | Subdivisions |
| Parts Style: | coll |
| P1: | 0 — city councils |
| P2: | 2 — settlement councils |
| P3: | 13 — rural councils |
| P4: | Number of localities: 0 — cities |
| P5: | |
| P6: | 67 — villages |
| P7: | — rural settlements |
| Established Title1: | Established |
| Established Date1: | 1923 |
| Established Title2: | Disestablished |
| Established Date2: | 18 July 2020 |
| Seat Type: | Admin. center |
| Seat: | Novomykolaivka |
| Leader Title: | Governor |
| Leader Name: | Oleksandr Manuylov |
| Leader Title1: | Chairman |
| Unit Pref: | Metric |
| Area Total Km2: | 915 |
| Population Total: | 15068 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Timezone1: | EET |
| Utc Offset1: | +02:00 |
| Timezone1 Dst: | EEST |
| Utc Offset1 Dst: | +03:00 |
| Postal Code Type: | Postal index |
| Postal Code: | 70100—70153 |
| Area Code Type: | Area code |
| Area Code: | +380 6144 |
| Website: | http://www.nmrda.gov.ua |
Novomykolaivka Raion (uk|Новомикола́ївський райо́н, Ukrainian: Novomykoláïvs’kyj rajón) was one of raions (districts) of Zaporizhzhia Oblast in southern Ukraine. The administrative center of the raion was the urban-type settlement of Novomykolaivka. The raion was abolished on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Zaporizhzhia Oblast to five. The area of Novomykolaivka Raion was merged into Zaporizhzhia Raion.[1] [2] The last estimate of the raion population was