The First Baptist Church and Society is an historic Baptist church on Baptist Street in Swansea, Massachusetts. The congregation, founded in 1663, is the oldest Baptist congregation in Massachusetts and one of the oldest in the United States.
The congregation was founded in 1663 by John Myles as the first Baptist congregation in Massachusetts and was located relatively nearby the First Baptist Church in America in Providence.
The current Greek Revival meeting house was constructed in 1848 and is the fifth building occupied by the congregation. The adjacent cemetery dates to 1731. The building and cemetery were added to the National Register of Historic Places in 1990.