Church of the Advocate

George W. South Memorial Protestant Episcopal Church of the Advocate
Pennsylvania state historical marker
Location18th & Diamond Sts.
Philadelphia, Pennsylvania
Coordinates39°59′9″N 75°9′49″W / 39.98583°N 75.16361°W / 39.98583; -75.16361
Built1887
ArchitectCharles Marquedant Burns; Arthur H. Williams & Sons
Architectural styleGothic Revival
NRHP reference No.80003620
Significant dates
Added to NRHPFebruary 8, 1980
Designated NHLJune 19, 1996
Designated No parameterJuly 29, 1999

The George W. South Memorial Church of the Advocate, also known as the George W. South Memorial Protestant Episcopal Church, is a historic church at 18th and Diamond Street in North Philadelphia, Pennsylvania, USA.

The church reported 76 members in 2021 and 30 members in 2023; no membership statistics were reported in 2024 parochial reports. Plate and pledge income reported for the congregation in 2024 was $29,409. Average Sunday attendance (ASA) in 2024 was nine persons.