South Deerfield is a census-designated place (CDP) in Deerfield, Franklin County, Massachusetts, United States. It is home to the Yankee Candle Company. At the 2010 census, the population of South Deerfield was 1,880.

Deerfield is a town in Franklin County, Massachusetts, United States. Settled near the Connecticut River in the 17th century during the colonial era, the population was 5,090 as of the 2020 census. Deerfield is part of the Springfield, Massachusetts Metropolitan Statistical Area in western Massachusetts, lying 30 miles (48 km) north of the city of Springfield.