The Bach-Chor Bonn (Bonn Bach choir) is a large concert choir and oratorio choir in Bonn, North Rhine-Westphalia, Germany. It was founded by Gustav Classens in 1949 as Bonner Bach-Gemeinschaft (Bonn Bach society), and has its present name officially since 2012. It has performed internationally, and recorded. Originally founded specifically to perform the works of its namesake Johann Sebastian Bach, the repertoire now contains major compositions of all periods including contemporary works. The choir has a long tradition of tours to European countries.