Kouassia-Niaguini (also spelled Kouassianiaguéné) is a town in the far east of Ivory Coast.

It is a sub-prefecture of Transua Department in Gontougo Region, Zanzan District.

[2] In 2014, the population of the sub-prefecture of Kouassia-Niaguini was 16,872.

[3] The thirteen villages of the sub-prefecture of Kouassia-Niaguini and their population in 2014 are:[3]

This Zanzan District location article is a stub.