Grace Communion International
（重定向自Worldwide Church Of God）
Grace Communion International (GCI) is an evangelical Christian denomination based in Glendora, California, United States.
Founded in 1934 as The Radio Church of God by Pastor General Herbert W. Armstrong, GCI had a significant, and often controversial, influence on 20th-century religious broadcasting and publishing in the United States and Europe, especially in the field of interpreting biblical end-time prophecies. It was renamed The Worldwide Church of God. It was also very famous with its multilingual free publication The Plain Truth and The World Tomorrow radio and television broadcasts worldwide.