Lake Chaffee is a census-designated place (CDP) in the northwest part of the town of Ashford, Windham County, Connecticut, United States. It is a residential community surrounding Lake Chaffee, a small water body formed in the early 20th century by damming an area of wetlands. Connecticut Route 89 (Ference Road) forms the eastern edge of the CDP, leading north 1.5 miles (2.4 km) to Interstate 84 and south 6 miles (10 km) to U.S. Route 44 at Warrenville.

Lake Chaffee, Connecticut
Census-designated place
Lake Chaffee Hall
Lake Chaffee Show map of Connecticut Lake Chaffee Show map of the United States
Coordinates: 41°56′19″N 72°11′45″W / 41.93861°N 72.19583°W / 41.93861; -72.19583
Country	United States
State	Connecticut
County	Windham
Town	Ashford
Area [1]
• Total	0.55 km2 (0.21 sq mi)
• Land	0.34 km2 (0.13 sq mi)
• Water	0.21 km2 (0.08 sq mi)
Elevation [2]	261 m (856 ft)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP Code	06278 (Ashford)
Area code(s)	860/959
FIPS code	09-41238
GNIS feature ID	2805991[2]

Lake Chaffee was first listed as a CDP prior to the 2020 census.