| Official Name: | Marynyn |
| Native Name: | Маринин |
| Settlement Type: | Village |
| Pushpin Map Caption: | Location within Ukraine |
| Subdivision Type: | Country |
| Subdivision Type1: | Oblast |
| Subdivision Name1: | Rivne Oblast |
| Subdivision Type2: | Raion |
| Subdivision Name2: | Rivne Raion |
| Subdivision Type3: | Silska Rada |
| Subdivision Name3: | Marynyn Silska Rada |
| Established Title: | Founded |
| Established Date: | 1488 |
| Area Total Km2: | 1.35 |
| Elevation M: | 209 |
| Population As Of: | 2001 |
| Population Total: | 931 |
| Population Density Km2: | 689.6 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 50.8031°N 27.1031°W |
| Postal Code Type: | Postal code (Index) |
| Postal Code: | 34655 |
| Area Code: | +380 3653 |
Marynyn (Ukrainian: Маринин) is a village in Rivne Raion, Rivne Oblast, Ukraine, but was formerly administered within Berezne Raion. In 2001 the community had 931 residents. Postal code — 35670.[1] In 2017, a postage stamp featuring the coat of arms of Marynyn was released by Ukrposhta.