The Church of Jesus Christ is an international Christian religious denomination headquartered in Monongahela, Pennsylvania, United States. Organized at Green Oak, Pennsylvania, U.S.A. in the year 1862. The church is a Christian Restorationist church and accepts the Book of Mormon as scripture. The church considers itself the gospel restored, or the original church and good news as established by Jesus Christ in the New Testament, restored upon the earth. It also claims to be the spiritual successor to the Church of Christ, organized by Joseph Smith on April 6, 1830. The church sees Sidney Rigdon as Smith's rightful successor following the assassination of Smith because Rigdon was Smith's first counselor in the First Presidency. The church is not officially affiliated with any other church, organization or denomination.

Monongahela, referred to locally as Mon City, is a third class city in Washington County, Pennsylvania, United States. The population was 4,149 at the 2020 census. It is part of the Pittsburgh metropolitan area, about 17 miles (27 km) south of Pittsburgh proper.