Dola is an unincorporated community in central Washington Township, Hardin County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 45835. It is located along State Route 81 between Ada and Dunkirk, 10¼ miles (16½ km) north-northeast of the city of Kenton, the county seat of Hardin County. The community lies at the headwaters of the Eagle Creek, which flows north to meet the Blanchard River in Findlay. The community is near the site of Hardin Northern High School. Dola is frequently named as the location of this high school, and sports media such as JJ Huddle often refer to the school as "Dola Hardin Northern".