Johann Christoph Bach may refer to:
- Johann Christoph Bach (1642–1703), composer, Johann Sebastian Bach's first cousin once removed
- Johann Christoph Bach (musician at Arnstadt) (1645–1693), musician, J.S. Bach's uncle
- Johann Christoph Bach (organist at Ohrdruf) (1671–1721), J.S. Bach's eldest brother
- Johann Christoph Friedrich Bach (1732–1795), composer, son of J.S. Bach