Seneca County League

The Seneca County League was an Ohio high school athletic league located in northwest Ohio that ended in the fall of 1985. Schools in the league at the time were Seneca East High School, Old Fort High School, Bettsville High School, Hopewell-Loudon High School, and New Riegel High School.

Past members

• Attica High School (now part Seneca East)
• Bloomville High School (was part of Tiffin City, now part of Buckeye Central)
• Jackson-Libbery High School (now part of Lakota)
• Thompson High School (now part of Bellevue City)
• Republic High School (now part of Seneca East)
• Melmore High School (now part of Mohawk)