雅典县（Athens County, Ohio）是位于美国俄亥俄州东南部的一个县，东南角以俄亥俄河与西维吉尼亚州相隔。面积1,317平方公里。根据美国2000年人口普查，共有人口62,223。县治雅典。

成立于1805年，县名来自古代欧洲的学术中心雅典 (俄亥俄大学在前一年设立于此)。

Athens County is a county located in the southeastern part of the U.S. state of Ohio. As of the 2010 census, the population was 64,757. Its county seat is Athens. The county was formed in 1805 from Washington County. Because the original state university (Ohio University) was founded there in 1804, the town and the county were named for the ancient center of learning, Athens, Greece.