Bong is a county in the north-central portion of Liberia. The county was named after Mount Bong in the southern portion of the county, it is bordered by Lofa and Gbarpolu counties to the north, Margibi and Montserrado counties to the west, Grand Bassa County to the south, and Nimba County to the east. The northeast part of Bong borders the nation of Guinea. The county was created in 1964.

Bong county is one of 15 counties that comprise the first-level of administrative division in the nation, it has twelve districts. Gbarnga serves as the capital with the area of the county measuring 8,772 square kilometres (3,387 sq mi).

As of the 2008 Census, it had a population of 328,919, making it the third most populous county in Liberia.

The County Superintendent is Ranney Jackson.

NOTE:

 The Superintendent of Bong County, Mr. Ranney Jackson, has been relieved of his post by President Ellen Johnson Sirleaf. The decision was taken Thursday by the President to enable the former Bong County Superintendent to give full attention to the pursuit of his political objective.

An Executive Mansion release says that the Acting Superintendent for Development, Ms. Lucia Herbert, will assume responsibility of the Office until further notice.