Waterville is a neighborhood of the city of Waterbury, Connecticut. It was formerly known as Pine Hole and Haydensville.
In addition, Waterville is located two miles (3.2 km) to the north of downtown Waterbury, three miles (4.8 km) to the east southeast of Watertown, four miles (6.4 km) to the west of Wolcott, five miles (8 km) to the northeast of Middlebury, five miles (8 km) to the south southwest of Plymouth, five miles (8 km) to the south southeast of Thomaston, and 22 miles (35 km) to the west southwest of Hartford.
 Notable people
- Johnny Moore, baseball player