Boahia is a town in eastern Ivory Coast. It is a sub-prefecture of Koun-Fao Department in Gontougo Region, Zanzan District.
Boahia 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 Boahia was 9,182.
The nine villages of the sub-prefecture of Boahia and their population in 2014 are: