Jewett City is a borough in New London County, Connecticut, United States, in the town of Griswold.

The borough is part of the Southeastern Connecticut Planning Region.

34.2% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older.

Jewett City was featured on The Daily Show with Jon Stewart after being at the center of a church bell controversy.

The episode, which aired on March 6, 2007, held a segment called "Sam on Your Side" with the main focus on the ringing of the Jewett City bells.