Ouaninou (also spelled Waninou) is a town in northwest Ivory Coast.

It is a sub-prefecture of and the seat of Ouaninou Department in Bafing Region, Woroba District.

Ouaninou is also a commune.

In 2014, the population of the sub-prefecture of Ouaninou was 20,790.

[2] The forty-one villages of the sub-prefecture of Ouaninou and their population in 2014 are:[2] This Woroba District location article is a stub.