Tennessee is a village in McDonough County, Illinois, United States.

According to the U.S. Census Bureau, Tennessee has a total area of 0.43 square miles (1.11 km2), all land.

The racial makeup of the village was 98.61% White, 0.69% Native American, and 0.69% from two or more races.

Tennessee is part of the West Prairie Community Unit School District 103.

Students then go on to attend West Prairie High School in Sciota.