The Town of Franklin is a city in Norfolk County, Massachusetts, United States. Franklin is one of thirteen Massachusetts municipalities that have applied for, and been granted, city forms of government but wish to retain "The town of" in their official names. As of 2022, the city's population was 36,745, with a growth rate of 15.38% since 2015. It is home to the country's first public library, the Franklin Public Library with its first books donated by Benjamin Franklin in 1790. It also contains the largest Catholic parish in the Boston Archdiocese, St. Mary's Catholic church, with some 15,000 members.

Norfolk County is located in the U.S. state of Massachusetts. At the 2020 census, the population was 725,981. Its county seat is Dedham. It is the fourth most populous county in the United States whose county seat is neither a city nor a borough, and it is the second most populous county that has a county seat at a town. The county was named after the English county of the same name. Two towns, Cohasset and Brookline, are exclaves.