The Evangelical Lutheran Joint Synod of Ohio and Other States, commonly known as the Joint Synod of Ohio or the Ohio Synod, was a German-language Lutheran denomination whose congregations were originally located primarily in the U.S. state of Ohio, later expanding to most parts of the United States. The synod was formed on September 14, 1818, and adopted the name Evangelical Lutheran Joint Synod of Ohio and Other States by about 1850. It used that name or slight variants until it merged with the Iowa Synod and the Buffalo Synod in 1930 to form the first American Lutheran Church (ALC).