Nimba is a county in the north-central portion of Liberia. One of 15 counties that comprise the first-level of administrative division in the nation, it has six districts. Sanniquellie serves as the capital with the area of the county measuring 11,551 square kilometres (4,460 sq mi), the largest in the nation.

As of the 2008 Census, it had a population of 468,088, making it the second most populous county in Liberia. Named after Neinbaa Tohn Mountain, the tallest mountain in the county, Nimba isbordered by Bong and Grand Bassa counties to the west, River Cess County to the southwest, and Grand Gedeh County to the southeast. The northern and northeastern parts of Nimba borders the nation of Guinea, while the northeast lies along the border of Côte d'Ivoire. Created in 1964.

County Superintendent	Assistant Superintendent for Development
Hon. Robert S. Kamei	Hon. Roger B. Woodson