St. Thomas' Church, Whitemarsh is an Episcopal church located at the juncture of Bethlehem Pike, Skippack Pike, and Church Road in Whitemarsh Township, Pennsylvania. The church is part of the Episcopal Diocese of Pennsylvania. The church reported 1,425 members in 2015 and 1,196 members in 2023; no membership statistics were reported in 2024 parochial reports. Plate and pledge income reported for the congregation in 2024 was $1,021,985. Average Sunday attendance (ASA) in 2024 was 169 persons.
One of the oldest Episcopal churches in the United States, St. Thomas' Church was founded in 1698. The Pennsylvania guide, compiled by the Writers' Program of the Works Progress Administration in 1940, described St. Thomas' Church as a "simple, dignified, red stone edifice in English Gothic style," noting that