Karl Auerbach (1723 – c.1786) was an Austrian painter.
The son of Johann Gottfried Auerbach, he was born at Vienna, and became, under his father's instruction, a talented painter of portraits and history.
The cathedral of St.
Stephen in Vienna possesses an altar-piece and a ceilingpainting by him.
At Hetzendorf and Innsbruck there are also examples of his art.