| Official Name: | Marianivka |
| Native Name: | Мар'янівка |
| Settlement Type: | Rural settlement |
| Pushpin Map: | Ukraine Zhytomyr Oblast#Ukraine |
| Coordinates: | 50.3078°N 27.8739°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Oblast |
| Subdivision Type2: | Raion |
| Subdivision Name2: | Zviahel Raion |
| Timezone1: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Marianivka (Ukrainian: Мар'янівка) is a rural settlement in Zviahel Raion, Zhytomyr Oblast, Ukraine. Population: In 2001, population was 1,499.
Until 26 January 2024, Marianivka was designated urban-type settlement. On this day, a new law entered into force which abolished this status, and Marianivka became a rural settlement.[1]