Trinity Church in the City of Boston, located in the Back Bay neighborhood of Boston, Massachusetts is a parish of the Episcopal Diocese of Massachusetts. The congregation, currently standing at approximately 4,000 households, was founded in 1733. Three services are offered each Sunday, and weekday services are offered once a week from September through June. Within the spectrum of worship styles in the Anglican tradition, Trinity Church has historically been considered a Broad Church parish.

Phillips Brooks was an American Episcopal clergyman and author, long the Rector of Boston's Trinity Church and briefly Bishop of Massachusetts. He wrote the lyrics of the Christmas hymn, "O Little Town of Bethlehem".