Trinity Episcopal Church is an historic church located at 509 West Pine Street in Hattiesburg, Mississippi, located in Forrest County.

This building was built in 1912, reputedly by the rector of the church, Reverend William Smith Simpson-Atmore, and was included on the Mississippi Department of Archives and History's List of Historic Churches of Mississippi in 2007.

The church began in 1895 with the first recorded service of the congregation and in July 1901, Trinity Mission was organized during a meeting at the Forrest County Courthouse.

The congregation was then adopted into the Mississippi Diocese at the Diocean Countil the following April, 1902.

This article about a church or other Christian place of worship in Mississippi is a stub.