First Parish in Brookline is a Unitarian Universalist church in Brookline, Massachusetts. It is a Welcoming Congregation and a member of the Unitarian Universalist Association. The church has existed for over 300 years, in several different meeting houses in the town of Brookline. The church is also notable for its stained glass windows.

Peter Banner was an English-born architect and builder who designed the Park Street Church in Boston, Massachusetts, and other buildings in New England in the early 19th century.