Middlefield is a village in Geauga County, Ohio, United States. The population was 2,233 at the 2000 census.
Middlefield, Ohio also hosts the Plast camp ground: Pysanij Kamin. Hundreds of scouts come for camps there every summer.
Middlefield is located at 41°27′41″N 81°04′36″W / 41.461310°N 81.076769°W / 41.461310; -81.076769 (41.461310, -81.076769).