里弗塞斯县是西非国家利比里亚15县之一，首府里弗塞斯，面积5,594平方公里，北毗宁巴县，东接锡诺县，南临大西洋，西邻大巴萨县，2008年人口71,509，下分8区。

• Place name codes

利比里亚县级行政区 伯米 · 邦 · 巴波卢 · 大巴萨 · 大角山 · 大各德 · 大克鲁 · 罗发 · 马及比 · 玛丽兰 · 蒙特塞拉多 · 宁巴 · 里弗塞斯 · 吉河 · 习诺

Rivercess County is a county in the south-central portion of the West African nation of Liberia. One of 15 counties that comprise the first-level of administrative division in the nation, it has six districts. Cesstos City serves as the capital with the area of the county measuring 5,594 square kilometres (2,160 sq mi). As of the 2008 Census, it had a population of 71,509, making it the third least most populous county in Liberia.