| Marimari River | |
| Source1 Location: | Amazonas state |
| Mouth Location: | Abacaxis River |
| Subdivision Type1: | Country |
| Subdivision Name1: | Brazil |
Marimari River is a tributary of the Abacaxis River in Amazonas state in north-western Brazil. It merges into the Abacaxis River shortly before the latter merges into the Paraná Urariá.