The Nzi River or N'zi River is a river in Ivory Coast. It is a tributary of the Bandama River.
On 6 September 2016, the railway bridge over this river near Dimbokro collapsed.
Coordinates: 5°57′03″N 4°49′57″W / 5.9507°N 4.8326°W / 5.9507; -4.8326