Andreas Lach was an Austrian painter of flowers, still life and porcelain.
Andreas Lach was born in 1817 in Eisgrub, Moravia. From 1837 to 1839 he was a student at the Vienna Academy under Thomas Ender (1793–1875), Joseph Mössmer (1780–1845) and Sebastian Wegmayr (1776–1857). His nephew was the Viennese landscape painter and etcher Fritz Lach (1868–1933). Andreas Lach died on April 15, 1882 in Vienna.