East Hartford is a town in the Capitol Planning Region, Connecticut, United States. The population was 51,045 at the 2020 census. The town is located on the east bank of the Connecticut River, directly across from Hartford, Connecticut. It is home to aerospace manufacturer Pratt & Whitney. It is also home to Pratt & Whitney Stadium at Rentschler Field, a stadium used mainly for soccer and football with a capacity of 40,000 people.

The Capitol Planning Region is a planning region and county-equivalent in Connecticut. It is served by the coterminous Capitol Region Council of Governments (CRCOG). In 2022, planning regions were approved to replace Connecticut's counties as county-equivalents for statistical purposes, with full implementation occurring by 2024.