Germantown is a village in Clinton County, Illinois, United States.

Formerly known as "Hanover" for the city in Germany that was the hometown of the first settlers, Germantown is said to be one of the first true German settlements in Illinois.

According to the 2021 census gazetteer files, Germantown has a total area of 1.01 square miles (2.62 km2), all land.

Germantown Elementary provides classes for students in Pre-K up to eighth grade.

In addition, the school offers many extra-curricular activities, including: student council, scholar bowl, math team, science fair, team quest, concert band, jazz band, group and solo vocal performing, girls and boys track and field, girls and boys basketball, cheerleading, and girls volleyball.