The Old School Baptist Church, historically known as the First Baptist Church of Hopewell, is located at 46 West Broad Street in the borough of Hopewell in Mercer County, New Jersey, United States. The red brick church was built in 1822. The adjoining Old School Baptist Cemetery was established in 1747. The church and cemetery were listed as part of the Old School Baptist Church and Cemetery of Hopewell historic district in the National Register of Historic Places in 2024.