Johann Gottlob Harrer, more commonly known as Gottlob Harrer, (8 May 1703 – 9 July 1755) was a German composer and choir leader. From 1731-1750 he worked as private musician to Count Heinrich von Brühl. In 1750 he succeeded Johann Sebastian Bach as Thomaskantor at the St. Thomas School, Leipzig; a post he maintained until his death in 1755.[1]