Assié-Koumassi is a town in east-central Ivory Coast.

It is a sub-prefecture of Bongouanou Department in Moronou Region, Lacs District.

Assié-Koumassi was a commune until March 2012, when it became one of 1126 communes nationwide that were abolished.

[2] In 2014, the population of the sub-prefecture of Assié-Koumassi was 15,542.

[3] The 6 villages of the sub-prefecture of Assié-Koumassi and their population in 2014 are:[3] This Lacs District location article is a stub.