Gadouan is a town in west-central Ivory Coast. It is a sub-prefecture of Daloa Department in Haut-Sassandra Region, Sassandra-Marahoué District.
Gadouan was a commune until March 2012, when it became one of 1,126 communes nationwide that were abolished.
In 2014, the population of the sub-prefecture of Gadouan was 57,470.
The seven villages of the sub-prefecture of Gadouan and their population in 2014 are: