American Baptist Churches USA
| American Baptist Churches USA | |
|---|---|
| Classification | Mainline Protestant |
| Orientation | Baptist |
| Theology | Mainline |
| Polity | Congregationalism |
| Associations | National Council of Churches; Baptist World Alliance |
| Region | United States |
| Headquarters | King of Prussia, Pennsylvania, U.S. |
| Origin | May 17, 1907 (Reorganization of the Triennial Convention) Washington, D.C., U.S. |
| Merger of | Triennial Convention related boards Free Will Baptist General Conference (1911) |
| Separations | General Association of Regular Baptist Churches (1932) Conservative Baptist Association of America (1947) |
| Congregations | 4,892 |
| Members | 1,107,206 |
| Missionary organization | International Ministries |
| Tertiary institutions | 16 |
| Seminaries | 10 |
| Other name(s) | Triennial Convention (1814–1907) Northern Baptist Convention (1907–1950) American Baptist Convention (1950–1972) |
| Official website | www |
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The American Baptist Churches USA (ABCUSA) is a mainline Protestant and Baptist Christian denomination. It is a reorganization from 1907 of the Triennial Convention. The Triennial Convention was renamed as the Northern Baptist Convention in 1907, and renamed again as the American Baptist Convention from 1950 to 1972. Tracing its history to the First Baptist Church in America (1638) and the Baptist Associations which organized the Triennial Convention in 1814, the ABCUSA is headquartered in Valley Forge, Pennsylvania.
Although the denomination is often considered mainline, varying theological and missional emphases may be found among its congregations, including modernist, charismatic and conservative evangelical orientations. In 2025, Pew Research Center published the Religious Landscape Survey, estimating that 1 percent of US adults, or 2.6 million people, self-identify as adherents of the American Baptist Churches USA.