Johann Christoph Bach (1645–93)
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This article is about the uncle of Johann Sebastian Bach. For Johann Sebastian Bach's ninth son, see Johann Christoph Friedrich Bach. For J.S. Bach's eldest brother, see Johann Christoph Bach (1671–1721).
Johann Christoph Bach (Erfurt, 22 February 1645 – 28 August 1693 in Arnstadt) was a German musician of the Baroque period.
A court and town musician in Arnstadt, he was the third son of Christoph Bach and the twin brother of Johann Ambrosius Bach. He was also the uncle of Johann Sebastian Bach. He married Martha Elisabeth Eisentraut (1654-1719).

